flutter-quill/example/lib/screens/shared/widgets/dialog_action.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_quill/extensions.dart';

@immutable
final class CupertinoDialogActionOptions {
  const CupertinoDialogActionOptions({
    this.isDefaultAction = false,
  });

  final bool isDefaultAction;
}

@immutable
final class MaterialDialogActionOptions {
  const MaterialDialogActionOptions({
    this.textStyle,
  });

  final ButtonStyle? textStyle;
}

@immutable
class DialogActionOptions {
  const DialogActionOptions({
    this.cupertinoDialogActionOptions,
    this.materialDialogActionOptions,
  });

  final CupertinoDialogActionOptions? cupertinoDialogActionOptions;
  final MaterialDialogActionOptions? materialDialogActionOptions;
}

class AppDialogAction extends StatelessWidget {
  const AppDialogAction({
    required this.child,
    required this.onPressed,
    this.options,
    super.key,
  });

  final VoidCallback? onPressed;
  final Widget child;

  final DialogActionOptions? options;

  @override
  Widget build(BuildContext context) {
    if (isAppleOS(supportWeb: true)) {
      return CupertinoDialogAction(
        onPressed: onPressed,
        isDefaultAction:
            options?.cupertinoDialogActionOptions?.isDefaultAction ?? false,
        child: child,
      );
    }
    return TextButton(
      onPressed: onPressed,
      style: options?.materialDialogActionOptions?.textStyle,
      child: child,
    );
  }
}