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Subject:	Re: Eclipse running on debian with remote display to cygwin X11 starts all squashed to a point
To:	The Cygwin Mailing List <cygwin AT cygwin DOT com>
References:	<86k1uphys4 DOT fsf AT dod DOT no> <51f3ed91-752a-1e92-b87f-e12abe3357ca AT dronecode DOT org DOT uk> <86fu5biy1p DOT fsf AT dod DOT no>
Cc:	Steinar Bang <sb AT dod DOT no>
From:	Jon Turney <jon DOT turney AT dronecode DOT org DOT uk>
Message-ID:	<ac4f0491-139c-76dd-74ae-bfd511c43a1c@dronecode.org.uk>
Date:	Thu, 8 Mar 2018 16:33:09 +0000
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In-Reply-To:	<86fu5biy1p.fsf@dod.no>

On 07/03/2018 17:40, Steinar Bang wrote:
>>>>>> Jon Turney :
> 
>> This seems like a problem with the integrated WM not doing what is
>> expected, Java programs do seem to be problematic in this regard.  So,
>> you can probably work around this by running the Cygwin X server in
>> windowed, rather than multiwindow mode.
> 
> I've thought about trying it but it's not really the behaviour I want.

It might also be worth trying adding the '-extension RANDR' option to 
the X server, to disable RANDR.

>> I tried to reproduce this, but eclipse worked ok for me.
> 
>> Can you tell me the versions of Xwin, debian and eclipse you are using?
> 
> "uname -r" in cygwin reports:
>   2.9.0(0.318/5/3)
> 
> sb AT mccoy:~$ cygcheck -c | grep xorg
> xorg-server               1.19.6-1                OK
> xorg-server-common        1.19.6-1                OK
> xorg-x11-fonts-dpi75      7.5-3                   OK
> xorg-x11-fonts-misc       7.5-3                   OK
> sb AT mccoy:~$
> 
> The debian version is 9.3.
> 
> The eclipse version is eclipse oxygen, installed with the eclipse
> installer from
>   https://www.eclipse.org/downloads/eclipse-packages/
> 

Thanks.

Well, with those details, I was able to reproduce some weird behaviour 
(not working menus, oddly placed windows), although not exactly what you 
see.

You didn't mention if any warnings are written by eclipse to the terminal?

That seems to be related to certain versions of GTK+ getting confused by 
the RANDR data provided by XWin and ending up believing the display is 
0x0 pixels in size.

I've built a snapshot with some potential fixes. Perhaps you could try 
that and see if it improves things for you?

ftp://cygwin.com/pub/cygwinx/x86_64/XWin.20180308-git-3ca71c7f563c3e91.exe.bz2

-- 
Jon Turney
Volunteer Cygwin/X X Server maintainer

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