*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
{
gltrackball_mousewheel (pState->trackball, pEvent->xbutton.button, 2,
!pEvent->xbutton.state);
{
gltrackball_mousewheel (pState->trackball, pEvent->xbutton.button, 2,
!pEvent->xbutton.state);