docs: def show_tooltip(self, pos, tooltip, _sender_deco=None):
          """
          Show a tool tip at the specified position
  
          :param pos: Tooltip position
          :param tooltip: Tooltip text
  
          :param _sender_deco: TextDecoration which is the sender of the show
              tooltip request. (for internal use only).
          """
          if _sender_deco is not None and _sender_deco not in self.decorations:
              return
          QtWidgets.QToolTip.showText(pos, tooltip[0: 1024], self)