MaterialState

sample.packages.flutter.lib.src.material.material_state.204.

This example defines a mouse cursor that resolves to [SystemMouseCursors.forbidden] when its widget is disabled.

  
import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  static const String _title = 'Flutter Code Sample';

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: _title,
      home: Scaffold(
        appBar: AppBar(title: const Text(_title)),
        body: const Center(
          child: MyStatelessWidget(),
        ),
      ),
    );
  }
}

class ListTileCursor extends MaterialStateMouseCursor {
  @override
  MouseCursor resolve(Set states) {
    if (states.contains(MaterialState.disabled)) {
      return SystemMouseCursors.forbidden;
    }
    return SystemMouseCursors.click;
  }

  @override
  String get debugDescription => 'ListTileCursor()';
}

class MyStatelessWidget extends StatelessWidget {
  const MyStatelessWidget({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return ListTile(
      title: const Text('Disabled ListTile'),
      enabled: false,
      mouseCursor: ListTileCursor(),
    );
  }
}
  

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