docs: def addRegion(self, name, text, row, column):
          """
          Adds a new region for this zone at the given row and column.
          
          :param      name   | <str>
                      text   | <str>
                      row    | <int>
                      column | <int>
          """
          region = XDropZoneRegion(self)
          region.setObjectName(name)
          region.setText(text)
          region.hide()
          self.layout().addWidget(region, row, column)
          return region