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Subject:	Re: wmctrl not working with cygwin-x and no root window
To:	The Cygwin Mailing List <cygwin AT cygwin DOT com>
References:	<CAK2rWZUQOnFtaxFmPYQA3Uxu=aFhKtio_rnqDwXow93b7TGU5w AT mail DOT gmail DOT com>
Cc:	Gulliver Smith <gulliver DOT m DOT smith AT gmail DOT com>
From:	Jon Turney <jon DOT turney AT dronecode DOT org DOT uk>
Reply-To:	The Cygwin Mailing List <cygwin AT cygwin DOT com>
Message-ID:	<9bd98018-a3be-779f-3eb1-2a81eb7977ae@dronecode.org.uk>
Date:	Wed, 18 Jul 2018 14:31:10 +0100
User-Agent:	Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1
MIME-Version:	1.0
In-Reply-To:	<CAK2rWZUQOnFtaxFmPYQA3Uxu=aFhKtio_rnqDwXow93b7TGU5w@mail.gmail.com>

On 17/07/2018 17:16, Gulliver Smith wrote:
> Latest cygwin on Windows 10.
> 
> % wmctrl -l
> Cannot get client list properties.
> (_NET_CLIENT_LIST or _WIN_CLIENT_LIST)
> 
> I'm running cygwin x with no root window to better integrate with my
> windows desktop.
> 
> I'm guessing that this error is due to the fact that there is no root
> window so the C code doesn't have an object that has a
> _NET_CLIENT_LIST or _WIN_CLIENT_LIST).

No, the root window exists, you just can't see it.

(If you untick the "Hide Root Window" option on the tray menu after 
you've launched some clients you should be able to see what's going on.)

Unfortunately, the integrated WM used in multiwindow mode doesn't 
support these EWMH hints. (what EWMH support there is has been added on 
a rather ad-hoc basis)

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