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Subject: Re: Possible issue with Firefox (38.0.1) running on X Server 1.17.2
To: Derby Pride <thederbypride AT gmail DOT com>, cygwin AT cygwin DOT com
References: <CAHkMg9Gy3gq1ACC3QQCn3s2MY=P_fjGFswv59CnP7OxgA9P+wg AT mail DOT gmail DOT com>
From: Jon TURNEY <jon DOT turney AT dronecode DOT org DOT uk>
Reply-To: cygwin AT cygwin DOT com
Message-ID: <55C0F6CB.6050102@dronecode.org.uk>
Date: Tue, 4 Aug 2015 18:30:51 +0100
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On 03/08/2015 16:43, Derby Pride wrote:
> I have recently upgraded Cygwin/X which upped the version of X Server
> up to 1.17.2 (sorry, I didn't note the version that I was previously
> using). I now enter the following into the Cygwin terminal:
>
>      export DISPLAY=:0.0
>      XWin -multiwindow -clipboard -listen tcp &
>      xhost +
>
> On my remote machine (a virtual RHEL5.2) I give the following commands:
>
>      export DISPLAY=%server_ip%:0.0
>      firefox &
>
> Firefox launches successfully on my server machine. However, the
> maximize button is disabled (all other buttons are present and
> enabled). Resizing the window by dragging the edges works as expected
> but there appears to be no way to maximize (double clicking the title
> bar does not work either).

Thanks for reporting this issue.

I can reproduce this on a Centos 5 VM.

This is interesting.  The firefox window has a WM_NORMAL_HINTS which 
specifies a maximum size of 32767x32767.

Currently, the maximize control on the window frame is supposed to be 
disabled if a maximum size is specified at all, but it looks like that 
wasn't quite working correctly until recently.

I've adjusted the logic a little bit so that the maximize control is not 
disabled if a maximum size is specified, but it's larger (in both 
dimensions) than the Windows virtual desktop size (as then maximization 
will not exceed the maximum size specified)

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

ftp://cygwin.com/pub/cygwinx/x86/XWin.20150804-git-862bf7a8412567ae.exe.bz2
ftp://cygwin.com/pub/cygwinx/x86_64/XWin.20150804-git-862bf7a8412567ae.exe.bz2

-- 
Jon TURNEY
Volunteer Cygwin/X X Server maintainer

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