[Xcb] How to use xcb_icccm

[Michael Stapelberg]

Hi Micah,

Micah Nordland <mpnordland at gmail.com> writes:
> and further testing shows that they are vaild, just you can't get
> properties off them until they're mapped.
I disagree. You can get properties from unmapped windows, it’s just that
the particular application you are testing with might not have set them
yet.

See also the code we use in i3 to deal with this situation:
http://code.stapelberg.de/git/i3/tree/src/manage.c?h=next#n128

-- 
Best regards,
Michael