*
* 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 (bp->trackball, event->xbutton.button, 10,
!!event->xbutton.state);
{
gltrackball_mousewheel (bp->trackball, event->xbutton.button, 10,
!!event->xbutton.state);
get_rotation (bp->rot, &x, &y, &z, !bp->button_down_p);
get_rotation (bp->rot, &x, &y, &z, !bp->button_down_p);