fgState.MenuStateCallback(GLUT_MENU_IN_USE);
if (fgState.MenuStatusCallback)
/* window->State.MouseX and window->State.MouseY are relative to client area origin, as needed */
fgState.MenuStateCallback(GLUT_MENU_IN_USE);
if (fgState.MenuStatusCallback)
/* window->State.MouseX and window->State.MouseY are relative to client area origin, as needed */