+ if ( menuEntry->SubMenu->X + menuEntry->SubMenu->Width > glutGet (
+GLUT_SCREEN_WIDTH ) )
+ menuEntry->SubMenu->X = menu->X - menuEntry->SubMenu->Width ;
+
+ if ( menuEntry->SubMenu->Y + menuEntry->SubMenu->Height > glutGet (
+GLUT_SCREEN_HEIGHT ) )
+ menuEntry->SubMenu->Y -=menuEntry->SubMenu->Height ;
+