(self, window, x_offset, y_offset)
Mouse wheel scroll event handler.
Mouse wheel scroll event handler.
Mouse wheel scroll event handler .
def _handle_scroll(self, window, x_offset, y_offset):
    """Mouse wheel scroll event handler."""
    del window, x_offset
    self.add_event(self.on_scroll, y_offset)
def _handle_scroll ( self , window , x_offset , y_offset ) : del window , x_offset self . add_event ( self . on_scroll , y_offset )