Function: window-margins

window-margins is a function defined in window.c.

Signature

(window-margins &optional WINDOW)

Documentation

Get width of marginal areas of window WINDOW.

WINDOW must be a live window and defaults to the selected one.

Value is a cons of the form (LEFT-WIDTH . RIGHT-WIDTH). If a marginal area does not exist, its width will be returned as nil.

View in manual

Probably introduced at or before Emacs version 21.1.

Source Code

// Defined in /usr/src/emacs/src/window.c
{
  struct window *w = decode_live_window (window);
  return Fcons (w->left_margin_cols
		? make_fixnum (w->left_margin_cols) : Qnil,
		w->right_margin_cols
		? make_fixnum (w->right_margin_cols) : Qnil);
}