rem: XReparentWindow(dpy, view->window, newParent->window, 0, 0);
add: XReparentWindow(dpy, view->window, newParent->window, x, y);
context: W_ReparentView(W_View *view, W_View *newParent){    int wasMapped;    Display *dpy = view->screen->display;        assert(!view->flags.topLevel);        wasMapped = view->flags.mapped;    if (wasMapped)	W_UnmapView(view);    unparentView(view);    adoptChildView(newParent, view);    if (view->flags.realized) {	if (newParent->flags.realized) {	    XReparentWindow(dpy, view->window, newParent->window, 0, 0);	} else {	    wwarning("trying to reparent realized view to unrealized parent");	    return;	}    }      view->pos.x = 0;    view->pos.y = 0;        if (wasMapped)	W_MapView(view);}