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Subject:	Re: X11 blinking cursor in text window like 'gvim' - only halts if
	moved-over another X11-win
To:	Thomas Wolff <towo AT towo DOT net>, The Cygwin Mailing List <cygwin AT cygwin DOT com>
References:	<606CFC89 DOT 6030700 AT tlinx DOT org>
	<3a23e83c-670b-c599-b77b-18074dadf42e AT dronecode DOT org DOT uk>
	<8decadb9-7616-d25e-0596-d82b8610daa8 AT towo DOT net>
From:	Jon Turney <jon DOT turney AT dronecode DOT org DOT uk>
Message-ID:	<13900a04-8867-850d-f6b9-4883c9fb9d50@dronecode.org.uk>
Date:	Sun, 11 Apr 2021 15:14:54 +0100
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On 09/04/2021 16:12, Thomas Wolff wrote:
> 
>> See [1] et seq. for a discussion of what I think is the same problem, 
>> where the Cygwin X server doesn't notify X windows of a focus loss 
>> when the focus moves to a non-X window.
> Hmm, when I start xterm -bc and click out of xterm (e.g. mintty or 
> Thunderbird), the cursor stops blinking for me.

If you read [1], you'll see that mentions this behaviour is only seen 
with some X clients, and xterm is explicitly mentioned as one for which 
it works correctly.

(I think perhaps the problem is with X clients which implement the 
WM_TAKE_FOCUS protocol, but I don't seem to have made that connection in 
my contemporaneous notes, so perhaps it's more complex than that)

>> Unfortunately, my attempts at fixing this just introduced more 
>> problems (see [2],[3] et seq.), and so were reverted.
>>
>> [1] https://sourceware.org/legacy-ml/cygwin/2017-04/msg00168.html
>> [2] https://sourceware.org/legacy-ml/cygwin/2017-04/msg00278.html
>> [3] https://sourceware.org/pipermail/cygwin/2017-May/232564.html
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