docs: def visualRect(self, index):
          """
          Returns the visual rectangle for the inputed index.
          
          :param      index | <QModelIndex>
          
          :return     <QtCore.QRect>
          """
          rect = super(XTreeWidget, self).visualRect(index)
          item = self.itemFromIndex(index)
          if not rect.isNull() and item and item.isFirstColumnSpanned():
              vpos = self.viewport().mapFromParent(QtCore.QPoint(0, 0))
              rect.setX(vpos.x())
              rect.setWidth(self.width())
              return rect
          return rect