-#define GL_NEW_LABEL_DIALOG(obj) (GTK_CHECK_CAST ((obj), GL_TYPE_NEW_LABEL_DIALOG, glNewLabelDialog))
-#define GL_NEW_LABEL_DIALOG_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GL_TYPE_NEW_LABEL_DIALOG, glNewLabelDialogClass))
-#define GL_IS_NEW_LABEL_DIALOG(obj) (GTK_CHECK_TYPE ((obj), GL_TYPE_NEW_LABEL_DIALOG))
-#define GL_IS_NEW_LABEL_DIALOG_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GL_TYPE_NEW_LABEL_DIALOG))
-#define GL_NEW_LABEL_DIALOG_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GL_TYPE_NEW_LABEL_DIALOG, glNewLabelDialogClass))
+#define GL_NEW_LABEL_DIALOG(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GL_TYPE_NEW_LABEL_DIALOG, glNewLabelDialog))
+#define GL_NEW_LABEL_DIALOG_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), GL_TYPE_NEW_LABEL_DIALOG, glNewLabelDialogClass))
+#define GL_IS_NEW_LABEL_DIALOG(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GL_TYPE_NEW_LABEL_DIALOG))
+#define GL_IS_NEW_LABEL_DIALOG_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), GL_TYPE_NEW_LABEL_DIALOG))
+#define GL_NEW_LABEL_DIALOG_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS ((obj), GL_TYPE_NEW_LABEL_DIALOG, glNewLabelDialogClass))