code: def buffer_has_focus() -> bool:
      """
      Enabled when the currently focused control is a `BufferControl`.
      """
      return get_app().layout.buffer_has_focus
  
imports: from __future__ import annotations
  from typing import TYPE_CHECKING, cast
  from prompt_toolkit.application.current import get_app
  from prompt_toolkit.cache import memoized
  from prompt_toolkit.enums import EditingMode
  from .base import Condition
label_desc: Use image node_id 2 for calling a global function with example usage: buffer_has_focus() and returns: get_app