code: def markLoadingFinished(self):
          
          XLoaderWidget.stop(self, force=True)
          
          hint, tree_hint = self._baseHints
          self.setHint(hint)
          
          # set the tree widget
          if self.showTreePopup():
              tree = self.treePopupWidget()
              tree.setHint(tree_hint)
              tree.unsetCursor()
              tree.setUpdatesEnabled(True)
              tree.blockSignals(False)
          
          self.unsetCursor()
          self.blockSignals(False)
          self.setUpdatesEnabled(True)
          self.loadingFinished.emit()
docs: Marks this widget as finished loading records.