modernFormPopupMenuPosition function

RelativeRect modernFormPopupMenuPosition(BuildContext context, ModernFormPopupMenuLocation? menuLocation)

Implementation

RelativeRect modernFormPopupMenuPosition(
    BuildContext context, ModernFormPopupMenuLocation? menuLocation) {
  if (menuLocation == null) {
    menuLocation = ModernFormPopupMenuLocation.BottomLeft;
  }
  final RenderBox? bar = context.findRenderObject() as RenderBox?;
  final RenderBox? overlay =
      Overlay.of(context)!.context.findRenderObject() as RenderBox?;
  switch (menuLocation) {
    case ModernFormPopupMenuLocation.BottomLeft:
      return RelativeRect.fromRect(
          Rect.fromPoints(
            bar!.localToGlobal(bar.size.bottomLeft(Offset.zero),
                ancestor: overlay),
            bar.localToGlobal(bar.size.bottomLeft(Offset.zero),
                ancestor: overlay),
          ),
          Offset.zero & overlay!.size);
    case ModernFormPopupMenuLocation.BottomRight:
      return RelativeRect.fromRect(
          Rect.fromPoints(
            bar!.localToGlobal(bar.size.bottomRight(Offset.zero),
                ancestor: overlay),
            bar.localToGlobal(bar.size.bottomRight(Offset.zero),
                ancestor: overlay),
          ),
          Offset.zero & overlay!.size);
    case ModernFormPopupMenuLocation.TopLeft:
      return RelativeRect.fromRect(
          Rect.fromPoints(
            bar!.localToGlobal(bar.size.topLeft(Offset.zero),
                ancestor: overlay),
            bar.localToGlobal(bar.size.topLeft(Offset.zero), ancestor: overlay),
          ),
          Offset.zero & overlay!.size);
    case ModernFormPopupMenuLocation.TopRight:
      return RelativeRect.fromRect(
          Rect.fromPoints(
            bar!.localToGlobal(bar.size.topRight(Offset.zero),
                ancestor: overlay),
            bar.localToGlobal(bar.size.topRight(Offset.zero),
                ancestor: overlay),
          ),
          Offset.zero & overlay!.size);
    default:
      return RelativeRect.fromRect(
          Rect.fromPoints(
            bar!.localToGlobal(bar.size.bottomLeft(Offset.zero),
                ancestor: overlay),
            bar.localToGlobal(bar.size.bottomLeft(Offset.zero),
                ancestor: overlay),
          ),
          Offset.zero & overlay!.size);
  }
}