code: def applied_scroll_offsets(self):
          
          if self.displayed_lines[0] == 0:
              top = 0
          else:
              # Get row where the cursor is displayed.
              y = self.input_line_to_visible_line[self.ui_content.cursor_position.y]
              top = min(y, self.configured_scroll_offsets.top)
  
          return ScrollOffsets(
              top=top,
              bottom=min(self.ui_content.line_count - self.displayed_lines[-1] - 1,
                         self.configured_scroll_offsets.bottom),
  
              # For left/right, it probably doesn't make sense to return something.
              # (We would have to calculate the widths of all the lines and keep
              # double width characters in mind.)
              left=0, right=0)
docs: Return a :class:`.ScrollOffsets` instance that indicates the actual
          offset. This can be less than or equal to what's configured. E.g, when
          the cursor is completely at the top, the top offset will be zero rather
          than what's configured.