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(
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const HomeWidget(),
    );
  }
}

class HomeWidget extends StatefulWidget {
  const HomeWidget({super.key});

  @override
  State<HomeWidget> createState() => _HomeWidgetState();
}

class _HomeWidgetState extends State<HomeWidget> {
  int index = 0;
  @override
  Widget build(BuildContext context) {
    return Row(
      children: [
        Directionality(
          textDirection: TextDirection.rtl,
          child: NavigationRail(
            extended: true,
            destinations: const [
              NavigationRailDestination(
                icon: Icon(Icons.abc),
                label: Text("1"),
              ),
              NavigationRailDestination(
                icon: Icon(Icons.ac_unit_outlined),
                label: Text("2"),
              ),
              NavigationRailDestination(
                icon: Icon(Icons.access_alarms_outlined),
                label: Text("3"),
              ),
            ],
            selectedIndex: index,
            onDestinationSelected: (value) => setState(() {
              index = value;
            }),
          ),
        ),
      ],
    );
  }
}