X2Go Bug report logs - #585
Clipboard handling with XFIXES broken

version graph

Package: nx-libs; Maintainer for nx-libs is X2Go Developers <x2go-dev@lists.x2go.org>;

Reported by: Ulrich Sibiller <u.sibiller@science-computing.de>

Date: Wed, 27 Aug 2014 21:35:01 UTC

Severity: normal

Tags: patch, pending

Found in version 3.5.0-27

Fixed in version 2:3.5.0.28

Done: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Bug is archived. No further changes may be made.

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Subject: Bug#585: [X2Go-Dev] Bug#585: Bug#585: Fix
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From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: 585@bugs.x2go.org, Ulrich Sibiller <uli42@gmx.de>
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[Message part 1 (text/plain, inline)]
Hi Ulrich,

On  Mi 05 Nov 2014 10:04:53 CET, Mike Gabriel wrote:

> Control: tag -1 patch
>
>
> Hi Uli,
>
> On  Di 04 Nov 2014 23:51:35 CET, Ulrich Sibiller wrote:
>
>> Without XFIXES the client calls GetSelectionOwner() before every paste
>> operation and therefor always knows the current selection owner.
>>
>> With XFIXES some clients rely solely on the
>> XFixesSelectSelectionInput/XFixesSelectionNotify mechanism. But they
>> never receive any notifications because the nxagent does not register
>> at the real X server to receive those notifications itself and so
>> never gets anything to forward to the clients. A client assuming it
>> will get informed about owner changes skips the GetSelectionOwner()
>> call. So it never knows that the selection owner has changed and
>> refers to what it thinks the current owner is (itself).
>>
>> Attached is a fix for this bug. nxagent calls
>> XFixesSelectSelectionInput for all its selections (t.i. CLIPBOARD and
>> PRIMARY, _not_ SECONDARY) now. It (still) does not check the return
>> code but the original code registering only CLIPBOARD did neither...
>>
>> This is a complete patch generated by git format-patch after using
>> (d)quilt as documented in the wiki.
>>
>> As I did not find any hints of what patch number to choose I took 207
>> to put it as close as possible to other clipboard related patches.
>> Feel free to change that...
>>
>>
>> Uli
>
> Cool! The patch looks good. Even the integration in the quilt based  
> patching mechanism we use with nx-libs.
>
> I will apply your patch and run a test build in a minute.
>
> Mike

The patch indeed fixes the problem! Thanks for your good work!!!

Mike

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