stack_wallet/lib/widgets/textfield_icon_button.dart

import 'package:flutter/material.dart';

class TextFieldIconButton extends StatefulWidget {
  const TextFieldIconButton({
    Key? key,
    this.width = 40,
    this.height = 40,
    this.onTap,
    required this.child,
    this.color = Colors.transparent,
  }) : super(key: key);

  final double width;
  final double height;
  final VoidCallback? onTap;
  final Widget child;
  final Color color;

  @override
  State<TextFieldIconButton> createState() => _TextFieldIconButtonState();
}

class _TextFieldIconButtonState extends State<TextFieldIconButton> {
  late final VoidCallback? onTap;

  @override
  void initState() {
    onTap = widget.onTap;
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return SizedBox(
      height: widget.height,
      width: widget.width,
      child: ClipRRect(
        borderRadius: BorderRadius.circular(100),
        child: RawMaterialButton(
          constraints: BoxConstraints(
            minWidth: widget.width,
            minHeight: widget.height,
          ),
          onPressed: onTap,
          child: Container(
            width: widget.width,
            height: widget.height,
            color: widget.color,
            child: Center(
              child: widget.child,
            ),
          ),
        ),
      ),
    );
  }
}