import 'package:flutter/material.dart';

// See https://github.com/flutter/flutter/pull/131220

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final TextEditingController _controller = TextEditingController(
    //text: 'Hello text field.',
  );

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Row(
              crossAxisAlignment: CrossAxisAlignment.baseline,
              textBaseline: TextBaseline.alphabetic,
              textDirection: TextDirection.ltr,
              children: [
                ConstrainedBox(
                  constraints: BoxConstraints.loose(const Size(150.0, double.infinity)),
                  child: TextField(
                    controller: _controller,
                    decoration: const InputDecoration(
                      labelText: 'label',
                      labelStyle: TextStyle(fontSize: 64.0),
                    )
                  ),
                ),
                const Text(
                  'a',
                  textDirection: TextDirection.ltr,
                  style: TextStyle(fontSize: 128.0, fontFamily: 'FlutterTest'), // places baseline at y=96
                ),
                const Text(
                  'b',
                  textDirection: TextDirection.ltr,
                  style: TextStyle(fontSize: 32.0, fontFamily: 'FlutterTest'), // 24 above baseline, 8 below baseline
                ),
              ],
            ),
          ],
        ),
      ),
    );
  }
}