-#include <gtk/gtkadjustment.h>
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-
-#define GTK_SPIN_BUTTON(obj) GTK_CHECK_CAST (obj, gtk_spin_button_get_type (), GtkSpinButton)
-#define GTK_SPIN_BUTTON_CLASS(klass) GTK_CHECK_CLASS_CAST (klass, gtk_spin_button_get_type (), GtkSpinButtonClass)
-#define GTK_IS_SPIN_BUTTON(obj) GTK_CHECK_TYPE (obj, gtk_spin_button_get_type ())
-
-
+
+
+G_BEGIN_DECLS
+
+#define GTK_TYPE_SPIN_BUTTON (gtk_spin_button_get_type ())
+#define GTK_SPIN_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_SPIN_BUTTON, GtkSpinButton))
+#define GTK_SPIN_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_SPIN_BUTTON, GtkSpinButtonClass))
+#define GTK_IS_SPIN_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_SPIN_BUTTON))
+#define GTK_IS_SPIN_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_SPIN_BUTTON))
+#define GTK_SPIN_BUTTON_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_SPIN_BUTTON, GtkSpinButtonClass))
+
+/**
+ * GTK_INPUT_ERROR:
+ *
+ * Constant to return from a signal handler for the #GtkSpinButton::input
+ * signal in case of conversion failure.
+ */
+#define GTK_INPUT_ERROR -1
+
+/**
+ * GtkSpinButtonUpdatePolicy:
+ * @GTK_UPDATE_ALWAYS: When refreshing your #GtkSpinButton, the value is
+ * always displayed
+ * @GTK_UPDATE_IF_VALID: When refreshing your #GtkSpinButton, the value is
+ * only displayed if it is valid within the bounds of the spin button's
+ * adjustment
+ *
+ * The spin button update policy determines whether the spin button displays
+ * values even if they are outside the bounds of its adjustment.
+ * See gtk_spin_button_set_update_policy().
+ */