dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
dc.gc = XCreateGC(dpy, root, 0, 0);
dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
dc.gc = XCreateGC(dpy, root, 0, 0);
issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);