实现窗口控制按钮覆盖层，接入Win11贴靠布局

lib/app_widget.dart

@@ -12,6 +12,7 @@ import 'package:kazumi/utils/logger.dart';
 import 'package:window_manager/window_manager.dart';
 import 'package:kazumi/bean/dialog/dialog_helper.dart';
 import 'package:kazumi/bean/settings/theme_provider.dart';
+import 'package:kazumi/bean/appbar/window_control_overlay.dart';
 import 'package:provider/provider.dart';
 import 'package:kazumi/utils/constants.dart';
 
@@ -278,6 +279,12 @@ class _AppWidgetState extends State<AppWidget>
           ],
           locale: const Locale.fromSubtags(
               languageCode: 'zh', scriptCode: 'Hans', countryCode: "CN"),
+          builder: (context, child) {
+            if (child == null) {
+              return const SizedBox.shrink();
+            }
+            return WindowControlOverlay(child: child);
+          },
           theme: themeProvider.light,
           darkTheme: themeProvider.dark,
           themeMode: themeProvider.themeMode,

lib/bean/appbar/sys_app_bar.dart

@@ -1,6 +1,7 @@
 import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:kazumi/bean/appbar/window_control_overlay.dart';
 import 'package:kazumi/bean/widget/embedded_native_control_area.dart';
 import 'package:kazumi/utils/storage.dart';
 import 'package:kazumi/utils/utils.dart';
@@ -52,11 +53,11 @@ class SysAppBar extends StatelessWidget implements PreferredSizeWidget {
       acs.addAll(actions!);
     }
     if (Utils.isDesktop()) {
-      // acs.add(IconButton(onPressed: () => windowManager.minimize(), icon: const Icon(Icons.minimize)));
-      if (!showWindowButton()) {
-        acs.add(CloseButton(onPressed: () => windowManager.close()));
-      }
-      acs.add(const SizedBox(width: 8));
+      acs.add(
+        SizedBox(
+          width: showWindowButton() ? 8 : windowControlOverlayReservedWidth,
+        ),
+      );
     }
     return GestureDetector(
       onPanStart: (_) =>