gtk:spin-button-activates-default (object)

object -- a gtk:spin-button widget
setting -- true to activate the default widget on activation

Accessor of the activates-default slot of the gtk:spin-button class. The gtk:spin-button-activates-default function gets whether activating the spin button will activate the default widget for the window containing the spin button. The (setf gtk:spin-button-activates-default) function sets the property.

Since 4.14