Function: frame-root-window

frame-root-window is a function defined in window.c.

Signature

(frame-root-window &optional FRAME-OR-WINDOW)

Documentation

Return the root window of FRAME-OR-WINDOW.

If omitted, FRAME-OR-WINDOW defaults to the currently selected frame. With a frame argument, return that frame's root window. With a window argument, return the root window of that window's frame.

Source Code

// Defined in /usr/src/emacs/src/window.c
{
  Lisp_Object window;

  if (NILP (frame_or_window))
    window = SELECTED_FRAME ()->root_window;
  else if (WINDOW_VALID_P (frame_or_window))
      window = XFRAME (XWINDOW (frame_or_window)->frame)->root_window;
  else
    {
      CHECK_LIVE_FRAME (frame_or_window);
      window = XFRAME (frame_or_window)->root_window;
    }

  return window;
}