docstr: Draw method for singleshot timer
  
  This draw method can be added to a singleshot timer, which can
  accumulate draws while the eventloop is spinning. This method will
  then only draw the first time and short-circuit the others.
code: def _draw_idle(self):
      """
      Draw method for singleshot timer
  
      This draw method can be added to a singleshot timer, which can
      accumulate draws while the eventloop is spinning. This method will
      then only draw the first time and short-circuit the others.
      """
      with self._idle_draw_cntx():
          if not self._draw_pending:
              # Short-circuit because our draw request has already been
              # taken care of
              return
          self._draw_pending = False
          self.draw()
  
imports: import contextlib
  import os
  import signal
  import socket
  import matplotlib
  from matplotlib import _api, cbook
  from matplotlib._pylab_helpers import Gcf
  from .None import _macosx
  from .backend_agg import FigureCanvasAgg
  from matplotlib.backend_bases import _Backend, FigureCanvasBase, FigureManagerBase, NavigationToolbar2, ResizeEvent, TimerBase
label_desc: Use image node_id 5 for calling the FigureCanvasMac obj's underlying member method code with example usage: obj._draw_idle() without return types