feat: exit alert

lib/application_exit_control.dart

@@ -1,8 +1,11 @@
 import 'dart:ui';
 import 'dart:io';
 import 'package:flutter/material.dart';
+import 'package:window_manager/window_manager.dart';
 import 'package:winui_n2n/edge_state.dart';
 import 'package:winui_n2n/home_page.dart';
+import 'package:winui_n2n/shared_pref_singleton.dart';
+import 'package:flutter_gen/gen_l10n/app_localizations.dart';
 
 class ApplicationExitControl extends StatefulWidget {
   const ApplicationExitControl({super.key});
@@ -29,6 +32,68 @@ class _ApplicationExitControlState extends State<ApplicationExitControl> {
   }
 
   Future<AppExitResponse> _handleExitRequest() async {
+    if (SharedPrefSingleton().minimizeOnQuit == null) {
+      showDialog(
+        context: context,
+        builder: (context) {
+          bool minimize = false;
+          return AlertDialog(
+            title: Text(AppLocalizations.of(context)!.exitAlert),
+            actions: <Widget>[
+              Row(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                children: [
+                  Row(
+                    children: [
+                      StatefulBuilder(builder:
+                          (BuildContext context, StateSetter setState) {
+                        return Checkbox(
+                          value: minimize,
+                          onChanged: (bool? value) {
+                            SharedPrefSingleton()
+                                .setMinimizeOrNot(value ?? false)
+                                .then(
+                              (_) {
+                                setState(
+                                  () {
+                                    minimize = value ?? false;
+                                  },
+                                );
+                              },
+                            );
+                          },
+                        );
+                      }),
+                      Text(AppLocalizations.of(context)!.alwaysMinimize),
+                    ],
+                  ),
+                  Row(
+                    children: [
+                      TextButton(
+                        onPressed: () {
+                          Navigator.pop(context);
+                          windowManager.hide();
+                        },
+                        child: Text(AppLocalizations.of(context)!.minimize),
+                      ),
+                      TextButton(
+                        onPressed: () {
+                          Navigator.pop(context);
+                        },
+                        child: Text(AppLocalizations.of(context)!.exit),
+                      ),
+                    ],
+                  ),
+                ],
+              ),
+            ],
+          );
+        },
+      );
+
+      return AppExitResponse.cancel;
+    }
+
     if (EdgeState.instance.isRunning && EdgeState.instance.process != null) {
       if (EdgeState.instance.process!.kill()) {
         EdgeState.instance.isRunning = false;