code: def popupWidget(self):
          
          if not self._popup:
              btns = QDialogButtonBox.Save | QDialogButtonBox.Cancel
              self._popup = XPopupWidget(self, btns)
              self._popup.setShowTitleBar(False)
              self._popup.setAutoCalculateAnchor(True)
              self._popup.setPositionLinkedTo(self)
          return self._popup
docs: Returns the popup widget for this editor.
          
          :return     <skyline.gui.XPopupWidget>