- event->xbutton.button == Button1)
- {
- gp->button_down = 1;
- gltrackball_start (gp->trackball, event->xbutton.x,
- event->xbutton.y, MI_WIDTH (mi), MI_HEIGHT (mi));
- return True;
- }
- else if (event->xany.type == ButtonRelease &&
- event->xbutton.button == Button1)
- {
- gp->button_down = 0;
- return True;
- }
- else if (event->xany.type == ButtonPress &&
- event->xbutton.button == Button4)