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| import 'package:flutter/services.dart'; | |
| import 'package:flutter/material.dart'; | |
| class MyIntent extends Intent { | |
| const MyIntent(this.content); | |
| final String content; | |
| } | |
| class MyApp extends StatelessWidget { | |
| @override | |
| Widget build(BuildContext context) { | |
| return Shortcuts( | |
| shortcuts: const <ShortcutActivator, Intent>{ | |
| SingleActivator(LogicalKeyboardKey.keyB, control: true): MyIntent('Ctrl-B'), | |
| SingleActivator(LogicalKeyboardKey.keyB, meta: true): MyIntent('Cmd-B'), | |
| }, | |
| child: MaterialApp( | |
| home: Scaffold( | |
| body: MyWidget(), | |
| ), | |
| ), | |
| ); | |
| } | |
| } | |
| class MyWidget extends StatefulWidget { | |
| @override | |
| State<StatefulWidget> createState() => MyWidgetState(); | |
| } | |
| class MyWidgetState extends State<MyWidget> { | |
| String status = ""; | |
| @override | |
| Widget build(BuildContext context) { | |
| return Actions( | |
| actions: <Type, Action<Intent>>{ | |
| MyIntent: CallbackAction<MyIntent>(onInvoke: (MyIntent intent) { | |
| setState(() { | |
| status = intent.content; | |
| }); | |
| return true; | |
| }), | |
| }, | |
| child: Column( | |
| children: <Widget>[ | |
| Text(status), | |
| const Shortcuts( | |
| shortcuts: <ShortcutActivator, Intent>{ | |
| SingleActivator(LogicalKeyboardKey.tab): MyIntent('Tab'), | |
| }, | |
| child: TextField(), | |
| ), | |
| Shortcuts( | |
| shortcuts: <ShortcutActivator, Intent>{ | |
| const SingleActivator(LogicalKeyboardKey.keyB, control: true): DoNothingAndStopPropagationIntent(), | |
| const SingleActivator(LogicalKeyboardKey.keyB, meta: true): DoNothingAndStopPropagationIntent(), | |
| }, | |
| child: const TextField(), | |
| ) | |
| ], | |
| ), | |
| ); | |
| } | |
| } | |
| void main() => runApp(MyApp()); |
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