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import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:menu_bar/menu_bar.dart';
class MenuBarPage extends StatefulWidget {
const MenuBarPage({super.key});
@override
State<MenuBarPage> createState() => _MenuBarPageState();
}
class _MenuBarPageState extends State<MenuBarPage> {
List<BarButton> _menuBarButtons() {
return [
BarButton(
text: const Text(
'文件',
style: TextStyle(color: Colors.white),
),
submenu: SubMenu(
menuItems: [
MenuButton(
onTap: () => debugPrint('Save'),
text: const Text('保存'),
shortcutText: 'Ctrl+S',
shortcut:
const SingleActivator(LogicalKeyboardKey.keyS, control: true),
),
MenuButton(
onTap: () {},
text: const Text('保存为'),
shortcutText: 'Ctrl+Shift+S',
),
const MenuDivider(),
MenuButton(
onTap: () {},
text: const Text('打开 文件'),
),
MenuButton(
onTap: () {},
text: const Text('打开 文件夹'),
),
const MenuDivider(),
MenuButton(
text: const Text('偏好设置'),
icon: const Icon(Icons.settings),
submenu: SubMenu(
menuItems: [
MenuButton(
onTap: () {},
icon: const Icon(Icons.keyboard),
text: const Text('快捷键'),
),
const MenuDivider(),
MenuButton(
onTap: () {},
icon: const Icon(Icons.extension),
text: const Text('扩展'),
),
const MenuDivider(),
MenuButton(
icon: const Icon(Icons.looks),
text: const Text('更换主题'),
submenu: SubMenu(
menuItems: [
MenuButton(
onTap: () {},
icon: const Icon(Icons.light_mode),
text: const Text('浅色 主题'),
),
const MenuDivider(),
MenuButton(
onTap: () {},
icon: const Icon(Icons.dark_mode),
text: const Text('深色 主题'),
),
],
),
),
],
),
),
const MenuDivider(),
MenuButton(
onTap: () {},
shortcutText: 'Ctrl+Q',
text: const Text('退出'),
icon: const Icon(Icons.exit_to_app),
),
],
),
),
BarButton(
text: const Text(
'编辑',
style: TextStyle(color: Colors.white),
),
submenu: SubMenu(
menuItems: [
MenuButton(
onTap: () {},
text: const Text('撤销'),
shortcutText: 'Ctrl+Z',
),
MenuButton(
onTap: () {},
text: const Text('重做'),
shortcutText: 'Ctrl+Y',
),
const MenuDivider(),
MenuButton(
onTap: () {},
text: const Text('剪贴'),
shortcutText: 'Ctrl+X',
),
MenuButton(
onTap: () {},
text: const Text('复制'),
shortcutText: 'Ctrl+C',
),
MenuButton(
onTap: () {},
text: const Text('粘贴'),
shortcutText: 'Ctrl+V',
),
const MenuDivider(),
MenuButton(
onTap: () {},
text: const Text('查找'),
shortcutText: 'Ctrl+F',
),
],
),
),
BarButton(
text: const Text(
'帮助',
style: TextStyle(color: Colors.white),
),
submenu: SubMenu(
menuItems: [
MenuButton(
onTap: () {},
text: const Text('检查 版本更新'),
),
const MenuDivider(),
MenuButton(
onTap: () {},
text: const Text('查看 许可'),
),
const MenuDivider(),
MenuButton(
onTap: () {},
icon: const Icon(Icons.info),
text: const Text('关于'),
),
],
),
),
];
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: MenuBarWidget(
barButtons: _menuBarButtons(),
enabled: true,//开启菜单
barStyle: const MenuStyle(
padding: MaterialStatePropertyAll(EdgeInsets.zero),
backgroundColor: MaterialStatePropertyAll(Color(0xFF6b2b6b)),
maximumSize: MaterialStatePropertyAll(Size(double.infinity, 38.0)),
),
// Style the menu bar buttons. Hover over [ButtonStyle] for all the options
barButtonStyle: ButtonStyle(
padding: const MaterialStatePropertyAll(EdgeInsets.symmetric(horizontal: 6.0)),
minimumSize: const MaterialStatePropertyAll(Size(0.0, 32.0)),
textStyle: MaterialStateTextStyle.resolveWith((states) => const TextStyle(fontSize:20.0), )
),
// Style the menu and submenu buttons. Hover over [ButtonStyle] for all the options
menuButtonStyle: ButtonStyle(
minimumSize: const MaterialStatePropertyAll(Size.fromHeight(36.0)),
padding: const MaterialStatePropertyAll(
EdgeInsets.symmetric(horizontal: 12.0, vertical: 6.0)),
textStyle: MaterialStateTextStyle.resolveWith((states) => const TextStyle(fontSize:18.0), )
),
child: Scaffold(
appBar: AppBar(
title: const Text('菜单栏示例'),
),
),
),
);
}
}
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