GtkSpinType
Value | Symbolic name | Description |
  0 | Gtk::SPIN_STEP_FORWARD | |
  1 | Gtk::SPIN_STEP_BACKWARD | |
  2 | Gtk::SPIN_PAGE_FORWARD | |
  3 | Gtk::SPIN_PAGE_BACKWARD | |
  4 | Gtk::SPIN_HOME | Set the spin button's value to the minimum possible value. |
  5 | Gtk::SPIN_END | Set the spin button's value to the maxmimum possible value. |
  6 | Gtk::SPIN_USER_DEFINED | The programmer must specify the exact amount to spin the GtkSpinButton. |