gtk:spin-button-digits (object)

object -- a gtk:spin-button widget
digits -- an unsigned integer with the number of digits after the decimal point to be displayed for the spin button's value

Accessor of the digits slot of the gtk:spin-button class. The gtk:spin-button-digits function fetches the precision to be displayed by the spin button. The (setf gtk:spin-button-digits) function sets the precision. Up to 20 digit precision is allowed.