code: def setFont(self, font):
          
          super(XTimeEdit, self).setFont(font)
  
          # update the fonts for the time combos
          self._hourCombo.setFont(font)
          self._minuteCombo.setFont(font)
          self._secondCombo.setFont(font)
          self._timeOfDayCombo.setFont(font)
docs: Assigns the font to this widget and all of its children.
  
          :param      font | <QtGui.QFont>