docs: def refresh(self):
          """
          Updates the label display with the current timer information.
          """
          delta = self.elapsed()
          seconds = delta.seconds
          limit = self.limit()
          
          options = {}
          options['hours'] = self.hours()
          options['minutes'] = self.minutes()
          options['seconds'] = self.seconds()
          
          try:
              text = self.format() % options
          except ValueError:
              text = '#ERROR'
  
          self.setText(text)
  
          if limit and limit <= seconds:
              self.stop()
              self.timeout.emit()