screen_pointer_pos(&opx, &opy);
XWarpPointer(ob_display, None, None, 0, 0, 0, 0, pdx, pdy);
/* steal the motion events this causes */
screen_pointer_pos(&opx, &opy);
XWarpPointer(ob_display, None, None, 0, 0, 0, 0, pdx, pdy);
/* steal the motion events this causes */