docs: def drawBackground( self, painter, opt, rect, brush ):
          """
          Make sure the background extends to 0 for the first item.
          
          :param      painter | <QtGui.QPainter>
                      rect    | <QtCore.QRect>
                      brush   | <QtGui.QBrush>
          """
          if not brush:
              return
          
          painter.setPen(QtCore.Qt.NoPen)
          painter.setBrush(brush)
          painter.drawRect(rect)