Workaround for 'invisible windows'
Workaround for 'invisible windows'

Currently, gnome-shell's top-level window for whatever reason does not
show up in XQueryTree.  So we essentially treat a press event as an
enter event.

RaphaelRochet/easystroke,thjaeger/easystroke,RaphaelRochet/easystroke,thjaeger/easystroke