- XLockDisplay (xdisplay);
- scr->priv->have_xtest = (XTestQueryExtension (xdisplay, &a, &b, &c, &d) == True);
+ XLockDisplay (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()));
+ scr->priv->have_xtest = (XTestQueryExtension (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), &a, &b, &c, &d) == True);