docs: def paintEvent(self, event):
          """
          Overloads the paint event to support rendering of hints if there are
          no items in the tree.
          
          :param      event | <QPaintEvent>
          """
          super(XListWidget, self).paintEvent(event)
          
          if not self.visibleCount() and self.hint():
              text    = self.hint()
              rect    = self.rect()
              
              # modify the padding on the rect
              w = min(250, rect.width() - 30)
              x = (rect.width() - w) / 2
              
              rect.setX(x)
              rect.setY(rect.y() + 15)
              rect.setWidth(w)
              rect.setHeight(rect.height() - 30)
              
              align = int(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignTop)
              
              # setup the coloring options
              clr     = self.hintColor()
              
              # paint the hint
              with XPainter(self.viewport()) as painter:
                  painter.setPen(clr)
                  painter.drawText(rect, align | QtCore.Qt.TextWordWrap, text)