gtk:widget-can-default (object)

object -- a gtk:widget object
setting -- a boolean whether or not the widget can be a default widget

Accessor of the can-default slot of the gtk:widget class. The gtk:widget-can-default function returns true if the widget can be a default widget, false otherwise. The (setf gtk:widget-can-default) function specifies whether the widget can be a default widget.

See the gtk:widget-grab-default function for details about the meaning of "default".