- if(event->xany.type == ButtonPress && event->xbutton.button == Button1)
- {
- cp->button_down = True;
- gltrackball_start(cp->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)
- {
- cp->button_down = False;
- return True;
- }
- else if(event->xany.type == ButtonPress &&
- (event->xbutton.button == Button4 || event->xbutton.button == Button5 ||
- event->xbutton.button == Button6 || event->xbutton.button == Button7))
- {
- gltrackball_mousewheel(cp->trackball,
- event->xbutton.button, 5, !!event->xbutton.state);
- return True;
- }
- else if(event->xany.type == MotionNotify && cp->button_down)
- {
- gltrackball_track(cp->trackball, event->xmotion.x, event->xmotion.y,
- MI_WIDTH (mi), MI_HEIGHT (mi));
+
+ if (gltrackball_event_handler (event, cp->trackball,
+ MI_WIDTH (mi), MI_HEIGHT (mi),
+ &cp->button_down))