docs: def _startDPDrag(self):
          """Callback for item menu."""
          dp = self._dp_menu_on
          if dp and dp.archived:
              drag = QDrag(self)
              mimedata = QMimeData()
              mimedata.setUrls([QUrl.fromLocalFile(dp.fullpath)])
              drag.setMimeData(mimedata)
              drag.exec_(Qt.CopyAction | Qt.LinkAction)