void ghb_widget_to_setting(GValue *settings, GtkWidget *widget);
int ghb_ui_update(
signal_user_data_t *ud, const gchar *name, const GValue *value);
void ghb_widget_to_setting(GValue *settings, GtkWidget *widget);
int ghb_ui_update(
signal_user_data_t *ud, const gchar *name, const GValue *value);