code: def convert_rect(self, rect):
          '''
          Same as Container().convert_rect(), but adds scrolling.
          '''
          return Container.convert_rect(self, rect).move(-self.offsetf convert_rect(self, rect):
          '''
          Same as Container().convert_rect(), but adds scrolling.
          '''
          return Container.convert_rect(self, rect).move(-self.offset)
docs: Same as Container().convert_rect(), but adds scrolling.