def clearOutputHandler(self):
     choice = yesNoBox(self, "Confirm", "Really clear output?")
     if choice == QMessageBox.Yes:
         self.outputTextEdit.clear()
         logger.info("Output cleared")
 def closeEvent(self, event):
     choice = yesNoBox(self, "Confirm", "Really exit the RenderNodeMain server?")
     if choice == QMessageBox.Yes:
         self.shutdown()
     else:
         event.ignore()