import 'package:flutter/material.dart';

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      theme: ThemeData.dark().copyWith(
        scaffoldBackgroundColor: const Color(0xFF12202F),
      ),
      debugShowCheckedModeBanner: false,
      home: const Scaffold(
        body: MyWidget(),
      ),
    );
  }
}

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

  @override
  Widget build(BuildContext context) {
    return SingleChildScrollView(
      scrollDirection: Axis.horizontal,
      child: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: List.generate(
          5,
          (x) {
            return Row(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: List.generate(
                10,
                (i) {
                  return InkWell(
                    autofocus: x == 0 && i == 0,
                    onTap: () {},
                    child: Builder(builder: (context) {
                      final isFocused = Focus.of(context).hasPrimaryFocus;
                      return Program(
                        isFocused: isFocused,
                        text: 'Item $x,$i',
                        isBig: x == 3 && i == 0,
                      );
                    }),
                  );
                },
              ),
            );
          },
        ),
      ),
    );
  }
}

class Program extends StatelessWidget {
  const Program({
    Key? key,
    required this.isFocused,
    required this.text,
    this.isBig = false,
  }) : super(key: key);

  final bool isFocused;
  final String text;
  final bool isBig;

  @override
  Widget build(BuildContext context) {
    return Container(
      width: isBig ? 250 : 200,
      height: 50,
      color: isFocused ? Colors.white : Colors.transparent,
      child: Text(text, style: TextStyle(color: isFocused ? Colors.black : Colors.white)),
    );
  }
}