- cc->button_down_p = True;
- gltrackball_start (cc->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)
- {
- cc->button_down_p = False;
- return True;
- }
- else if (event->xany.type == ButtonPress &&
- (event->xbutton.button == Button4 ||
- event->xbutton.button == Button5))
- {
- gltrackball_mousewheel (cc->trackball, event->xbutton.button, 10,
- !!event->xbutton.state);
- return True;
- }
- else if (event->xany.type == MotionNotify &&
- cc->button_down_p)
- {
- gltrackball_track (cc->trackball,
- event->xmotion.x, event->xmotion.y,
- MI_WIDTH (mi), MI_HEIGHT (mi));