Add Connection cubit that updates the part that must be rebuilt after a reconnect.

lib/chessapp/chess_app.dart

@@ -4,13 +4,16 @@ import 'package:mchess/chess_bloc/chess_bloc.dart';
 import 'package:mchess/connection/ws_connection.dart';
 
 import 'package:mchess/chessapp/chess_board.dart';
+import 'package:mchess/connection_cubit/connection_cubit.dart';
 
 class ChessApp extends StatelessWidget {
   const ChessApp({super.key});
 
   @override
   Widget build(BuildContext context) {
-    return MaterialApp(
+    return BlocProvider(
+      create: (_) => ConnectionCubit.getInstance(),
+      child: MaterialApp(
         title: 'mChess',
         home: Scaffold(
           body: Container(
@@ -43,13 +46,17 @@ class ChessApp extends StatelessWidget {
                         ),
                       ),
                     ),
-                  StreamBuilder(
+                    BlocBuilder<ConnectionCubit, ConnectionCubitState>(
+                      builder: (context, state) {
+                        return StreamBuilder(
                           stream: ServerConnection.getInstance().channel.stream,
                           builder: (context, snapshot) {
                             return Text(
                                 style: const TextStyle(color: Colors.white),
                                 snapshot.data.toString());
                           },
+                        );
+                      },
                     )
                   ],
                 ),
@@ -61,10 +68,12 @@ class ChessApp extends StatelessWidget {
             child: Icon(Icons.connect_without_contact),
           ),
         ),
+      ),
     );
   }
 }
 
 void reconnect() {
   ServerConnection.getInstance().reconnect();
+  ConnectionCubit.getInstance().reconnect();
 }

lib/connection_cubit/connection_cubit.dart

@@ -0,0 +1,29 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+class ConnectionCubit extends Cubit<ConnectionCubitState> {
+  static final ConnectionCubit _instance = ConnectionCubit._internal();
+
+  ConnectionCubit._internal() : super(ConnectionCubitState.init());
+
+  factory ConnectionCubit.getInstance() {
+    return ConnectionCubit();
+  }
+
+  factory ConnectionCubit() {
+    return _instance;
+  }
+
+  void reconnect() {
+    emit(ConnectionCubitState(true));
+  }
+}
+
+class ConnectionCubitState {
+  final bool reconnecting;
+
+  ConnectionCubitState(this.reconnecting);
+
+  factory ConnectionCubitState.init() {
+    return ConnectionCubitState(false);
+  }
+}

pubspec.lock

@@ -236,10 +236,10 @@ packages:
     dependency: transitive
     description:
       name: string_scanner
-      sha256: "862015c5db1f3f3c4ea3b94dc2490363a84262994b88902315ed74be1155612f"
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.1"
+    version: "1.2.0"
   term_glyph:
     dependency: transitive
     description:
@@ -252,10 +252,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: c9aba3b3dbfe8878845dfab5fa096eb8de7b62231baeeb1cea8e3ee81ca8c6d8
+      sha256: ad540f65f92caa91bf21dfc8ffb8c589d6e4dc0c2267818b4cc2792857706206
       url: "https://pub.dev"
     source: hosted
-    version: "0.4.15"
+    version: "0.4.16"
   typed_data:
     dependency: transitive
     description: