build method

@override Widget build(BuildContext context)

Describes the part of the user interface represented by this widget.

Implementation

@override
Widget build(BuildContext context) {
  return _DropdownButtonRenderWidget(
    displayWidget: widget.child,
    isOpen: isOpen,
    focused: widget.focused,
    style: Style.empty,
    onRender: (bounds) {
      if (buttonBounds != bounds) {
        buttonBounds = bounds;
        if (isOpen && overlayEntry != null) {
          overlayEntry?._overlayState?.setState(() {});
        }
      }
    },
    onAction: toggleMenu,
    onKey: handleKeyEvent,
  );
}