code: def middleMouseClickEvent(argosPgPlotItem, axisNumber, mouseClickEvent):
      
      if mouseClickEvent.button() == QtCore.Qt.MiddleButton:
          mouseClickEvent.accept()
          argosPgPlotItem.emitResetAxisSignal(axisNumber)
docs: Emits sigAxisReset when the middle mouse button is clicked on an axis of the the plot item.