glutAddMenuEntry( "Sub menu A2 (02)", 12 );
glutAddMenuEntry( "Sub menu A3 (03)", 13 );
glutMenuDestroyFunc ( MenuDestroy ); /* callback specific to this menu */
+ /* Change font for this menu */
+ glutSetMenuFont(subMenuA, GLUT_BITMAP_HELVETICA_12);
subMenuB = glutCreateMenu( MenuCallback );
glutAddMenuEntry( "Sub menu B1 (04)", 14 );
glutAddMenuEntry( "Sub menu B3 (06)", 16 );
glutAddSubMenu( "Going to sub menu A", subMenuA );
glutMenuDestroyFunc ( MenuDestroy ); /* callback specific to this menu */
+ glutSetMenuFont(subMenuB, GLUT_BITMAP_9_BY_15);
menuID = glutCreateMenu( MenuCallback );
glutAddMenuEntry( "Entry one", 21 );