XGrabPointer(**otk::display, root, false, 0, GrabModeAsync,
GrabModeAsync, None, None, CurrentTime);
_keybgrab_callback = callback;
XGrabPointer(**otk::display, root, false, 0, GrabModeAsync,
GrabModeAsync, None, None, CurrentTime);
_keybgrab_callback = callback;