fix, dialog button, reconnect cancel in a short time

1. Two `reconnect` is called.
2. The window cannot be closed.

Signed-off-by: dignow <linlong1265@gmail.com>

flutter/lib/common.dart

@@ -996,11 +996,20 @@ void msgBox(SessionID sessionId, String type, String title, String text,
         }));
   }
   if (reconnect != null && title == "Connection Error") {
-    buttons.insert(
-        0,
-        dialogButton('Reconnect', isOutline: true, onPressed: () {
-          reconnect(dialogManager, sessionId, false);
-        }));
+    final enabled = true.obs;
+    final button = Obx(
+      () => dialogButton(
+        'Reconnect',
+        isOutline: true,
+        onPressed: enabled.isTrue
+            ? () {
+                enabled.value = false;
+                reconnect(dialogManager, sessionId, false);
+              }
+            : null,
+      ),
+    );
+    buttons.insert(0, button);
   }
   if (link.isNotEmpty) {
     buttons.insert(0, dialogButton('JumpLink', onPressed: jumplink));

flutter/lib/desktop/pages/connection_page.dart

@@ -7,7 +7,6 @@ import 'dart:io';
 import 'package:auto_size_text/auto_size_text.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_hbb/consts.dart';
-import 'package:flutter_hbb/desktop/widgets/scroll_wrapper.dart';
 import 'package:flutter_hbb/models/state_model.dart';
 import 'package:get/get.dart';
 import 'package:url_launcher/url_launcher_string.dart';

flutter/lib/desktop/pages/remote_tab_page.dart

@@ -415,8 +415,24 @@ class _ConnectionTabPageState extends State<ConnectionTabPage> {
 
   void onRemoveId(String id) async {
     if (tabController.state.value.tabs.isEmpty) {
-      await WindowController.fromWindowId(windowId()).close();
       stateGlobal.setFullscreen(false, procWnd: false);
+      // Keep calling until the window status is hidden.
+      //
+      // Workaround for Windows:
+      // If you click other buttons and close in msgbox within a very short period of time, the close may fail.
+      // `await WindowController.fromWindowId(windowId()).close();`.
+      Future<void> loopCloseWindow() async {
+        int c = 0;
+        final windowController = WindowController.fromWindowId(windowId());
+        while (c < 100 &&
+            tabController.state.value.tabs.isEmpty &&
+            (!await windowController.isHidden())) {
+          await windowController.close();
+          await Future.delayed(Duration(milliseconds: 50));
+          c++;
+        }
+      }
+      loopCloseWindow();
     }
     ConnectionTypeState.delete(id);
     _update_remote_count();

flutter/lib/desktop/widgets/tabbar_widget.dart

@@ -1,5 +1,4 @@
 import 'dart:async';
-import 'dart:convert';
 import 'dart:io';
 import 'dart:math';
 import 'dart:ui' as ui;
@@ -9,7 +8,6 @@ import 'package:desktop_multi_window/desktop_multi_window.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart' hide TabBarTheme;
 import 'package:flutter_hbb/common.dart';
-import 'package:flutter_hbb/common/shared_state.dart';
 import 'package:flutter_hbb/consts.dart';
 import 'package:flutter_hbb/main.dart';
 import 'package:flutter_hbb/models/platform_model.dart';

flutter/lib/models/ab_model.dart

@@ -6,7 +6,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter_hbb/common/widgets/peers_view.dart';
 import 'package:flutter_hbb/models/model.dart';
 import 'package:flutter_hbb/models/peer_model.dart';
-import 'package:flutter_hbb/models/peer_tab_model.dart';
 import 'package:flutter_hbb/models/platform_model.dart';
 import 'package:get/get.dart';
 import 'package:bot_toast/bot_toast.dart';

flutter/lib/models/model.dart

@@ -8,7 +8,6 @@ import 'package:desktop_multi_window/desktop_multi_window.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_hbb/consts.dart';
-import 'package:flutter_hbb/desktop/widgets/tabbar_widget.dart';
 import 'package:flutter_hbb/generated_bridge.dart';
 import 'package:flutter_hbb/models/ab_model.dart';
 import 'package:flutter_hbb/models/chat_model.dart';

src/flutter.rs

@@ -1078,7 +1078,8 @@ pub fn session_next_rgba(session_id: SessionID) {
 pub fn session_register_texture(_session_id: SessionID, _ptr: usize) {
     #[cfg(feature = "flutter_texture_render")]
     if let Some(session) = SESSIONS.write().unwrap().get_mut(&_session_id) {
-        return session.register_texture(_ptr);
+        session.register_texture(_ptr);
+        return;
     }
 }