XSelectInput(dpy, c->win, CLIENT_MASK);
XGetTransientForHint(dpy, c->win, &c->trans);
twa.override_redirect = 1;
twa.background_pixmap = ParentRelative;
twa.event_mask = ExposureMask;
XSelectInput(dpy, c->win, CLIENT_MASK);
XGetTransientForHint(dpy, c->win, &c->trans);
twa.override_redirect = 1;
twa.background_pixmap = ParentRelative;
twa.event_mask = ExposureMask;