cssd/lib/widgets/LabelScreens/Scan/input_box.dart

import 'package:flutter/material.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart';

class LabelScanInputBox extends StatelessWidget {
  const LabelScanInputBox({
    Key? key,
    required this.idCTRL,
    required double deviceBlockSize,
  })  : _deviceBlockSize = deviceBlockSize,
        super(key: key);

  final TextEditingController idCTRL;
  final double _deviceBlockSize;

  @override
  Widget build(BuildContext context) {
    return TextFormField(
      validator: (val) {
        if (val!.isEmpty) {
          return 'Id required!!';
        }
        return null;
      },
      controller: idCTRL,
      decoration: InputDecoration(
        icon: Icon(
          FontAwesomeIcons.sortNumericDown,
          size: 6 * _deviceBlockSize,
        ),
        labelStyle: TextStyle(
          fontWeight: FontWeight.w100,
          fontSize: 4 * _deviceBlockSize,
        ),
        labelText: 'Or enter a label ID',
        isDense: true,
        contentPadding: EdgeInsets.symmetric(
          vertical: 2,
          horizontal: 3,
        ),
        focusedBorder: UnderlineInputBorder(
          // borderRadius: BorderRadius.only(Radius.circular(4)),
          borderSide: BorderSide(
            color: Colors.grey,
          ),
        ),
      ),
      style: TextStyle(
        fontWeight: FontWeight.w700,
        fontSize: 5 * _deviceBlockSize,
      ),
      keyboardType: TextInputType.number,
    );
  }
}