gtk-header-bar-show-close-button (object)

object -- a gtk-header-bar widget
setting -- true to show standard window decorations

Accessor of the show-close-button slot of the gtk-header-bar class.

The gtk-header-bar-show-close-button slot access function returns whether the header bar shows the standard window decorations, including Close, Maximize, and Minimize buttons. The (setf gtk-header-bar-show-close-button) slot access function sets whether the header bar shows decorations.