WHEEL_MOVE_EVENT   83 src/haiku_io.c     case WHEEL_MOVE_EVENT:
WHEEL_MOVE_EVENT 1137 src/haiku_support.cc 	    haiku_write (WHEEL_MOVE_EVENT, &rq);
WHEEL_MOVE_EVENT 3824 src/haikuterm.c 	case WHEEL_MOVE_EVENT: