stack_wallet/lib/widgets/custom_buttons/app_bar_icon_button.dart

import 'package:flutter/material.dart';
import 'package:flutter_svg/svg.dart';
import 'package:stackwallet/themes/stack_colors.dart';
import 'package:stackwallet/utilities/assets.dart';
import 'package:stackwallet/utilities/util.dart';

class AppBarIconButton extends StatelessWidget {
  const AppBarIconButton({
    Key? key,
    required this.icon,
    required this.onPressed,
    this.color,
    // this.circularBorderRadius = 10.0,
    this.size = 36.0,
    this.shadows = const [],
    this.semanticsLabel = "Button",
  }) : super(key: key);

  final Widget icon;
  final VoidCallback? onPressed;
  final Color? color;
  // final double circularBorderRadius;
  final double size;
  final List<BoxShadow> shadows;
  final String semanticsLabel;

  @override
  Widget build(BuildContext context) {
    return Container(
        height: size,
        width: size,
        decoration: BoxDecoration(
          borderRadius: BorderRadius.circular(1000),
          color:
              color ?? Theme.of(context).extension<StackColors>()!.background,
          boxShadow: shadows,
        ),
        child: Semantics(
          excludeSemantics: true,
          label: semanticsLabel,
          child: MaterialButton(
            splashColor: Theme.of(context).extension<StackColors>()!.highlight,
            padding: EdgeInsets.zero,
            materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(1000),
            ),
            onPressed: onPressed,
            child: icon,
          ),
        ));
  }
}

class AppBarBackButton extends StatelessWidget {
  const AppBarBackButton({
    Key? key,
    this.onPressed,
    this.isCompact = false,
    this.size,
    this.iconSize,
    this.semanticsLabel = "Back Button. Takes Back To Previous Page.",
  }) : super(key: key);

  final VoidCallback? onPressed;
  final bool isCompact;
  final double? size;
  final double? iconSize;
  final String semanticsLabel;

  @override
  Widget build(BuildContext context) {
    final isDesktop = Util.isDesktop;
    return Padding(
        padding: isDesktop
            ? const EdgeInsets.symmetric(
                vertical: 20,
                horizontal: 24,
              )
            : const EdgeInsets.all(10),
        child: AppBarIconButton(
          semanticsLabel: semanticsLabel,
          size: size ??
              (isDesktop
                  ? isCompact
                      ? 42
                      : 56
                  : 32),
          color: isDesktop
              ? Theme.of(context).extension<StackColors>()!.textFieldDefaultBG
              : Theme.of(context).extension<StackColors>()!.background,
          shadows: const [],
          icon: SvgPicture.asset(
            Assets.svg.arrowLeft,
            width: iconSize ?? (isCompact ? 18 : 24),
            height: iconSize ?? (isCompact ? 18 : 24),
            color:
                Theme.of(context).extension<StackColors>()!.topNavIconPrimary,
          ),
          onPressed: onPressed ?? Navigator.of(context).pop,
        ));
  }
}