code: def update_selected(self, linenum):
          
          self.parents = _get_parents(self.funcs, linenum)
          update_selected_cb(self.parents, self.method_cb)
  
          self.parents = _get_parents(self.classes, linenum)
          update_selected_cb(self.parents, self.class_cb)
docs: Updates the dropdowns to reflect the current class and function.