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September 2, 2024 20:27
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Context Menu Hell
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| import 'package:flutter/cupertino.dart'; | |
| import 'package:flutter/foundation.dart'; | |
| import 'package:flutter/material.dart'; | |
| import 'package:flutter/services.dart'; | |
| import 'dart:async'; | |
| void main() => runApp(const EditableTextToolbarBuilderExampleApp()); | |
| class EditableTextToolbarBuilderExampleApp extends StatefulWidget { | |
| const EditableTextToolbarBuilderExampleApp({super.key}); | |
| @override | |
| State<EditableTextToolbarBuilderExampleApp> createState() => | |
| _EditableTextToolbarBuilderExampleAppState(); | |
| } | |
| class _EditableTextToolbarBuilderExampleAppState | |
| extends State<EditableTextToolbarBuilderExampleApp> { | |
| final TextEditingController _controller = TextEditingController( | |
| text: | |
| 'Right click (desktop) or long press (mobile) to see the menu with custom buttons.', | |
| ); | |
| @override | |
| void initState() { | |
| super.initState(); | |
| // On web, disable the browser's context menu since this example uses a custom | |
| // Flutter-rendered context menu. | |
| if (kIsWeb) { | |
| BrowserContextMenu.disableContextMenu(); | |
| } | |
| Timer.periodic(Duration(milliseconds: 100), (_) { setState((){});}); | |
| } | |
| @override | |
| void dispose() { | |
| if (kIsWeb) { | |
| BrowserContextMenu.enableContextMenu(); | |
| } | |
| super.dispose(); | |
| } | |
| @override | |
| Widget build(BuildContext context) { | |
| return MaterialApp( | |
| home: Scaffold( | |
| appBar: AppBar( | |
| title: const Text('Custom button appearance'), | |
| ), | |
| body: Center( | |
| child: Column( | |
| children: <Widget>[ | |
| const SizedBox(height: 20.0), | |
| TextField( | |
| controller: _controller, | |
| contextMenuBuilder: (BuildContext context, | |
| EditableTextState editableTextState) { | |
| return AdaptiveTextSelectionToolbar( | |
| anchors: editableTextState.contextMenuAnchors, | |
| // Build the default buttons, but make them look custom. | |
| // In a real project you may want to build different | |
| // buttons depending on the platform. | |
| children: editableTextState.contextMenuButtonItems | |
| .map((ContextMenuButtonItem buttonItem) { | |
| return CupertinoButton( | |
| borderRadius: null, | |
| color: const Color(0xffaaaa00), | |
| disabledColor: const Color(0xffaaaaff), | |
| onPressed: buttonItem.onPressed, | |
| padding: const EdgeInsets.all(10.0), | |
| pressedOpacity: 0.7, | |
| child: SizedBox( | |
| width: 200.0, | |
| child: Text( | |
| CupertinoTextSelectionToolbarButton.getButtonLabel( | |
| context, buttonItem), | |
| ), | |
| ), | |
| ); | |
| }).toList(), | |
| ); | |
| }, | |
| ), | |
| ], | |
| ), | |
| ), | |
| ), | |
| ); | |
| } | |
| } |
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