[X2Go-Dev] Bug#872: Bug#872: Bug#872: Bug#872: Turn xinerama.conf file related code inside X2Go Client into legacy code (for NX agents << 3.6)

[Oleksandr Shneyder]

Yes, It was exactly the problem, the different WM didn't update the
configuration without resizing.

Am 19.05.2015 um 10:50 schrieb Ulrich Sibiller:
> On Tue, May 19, 2015 at 10:09 AM, Oleksandr Shneyder
> <o.shneyder at phoca-gmbh.de> wrote:
>> Imagine that you have agent window in the middle of two screens. Window
>> size is 1024x768. You current displays configuration in that case is:
>> left-512x768, right-512x768. Imagine, that you moved your window 100 px
>> left. Now your displays configuration is: left-612x768, right-412x768.
>> But from the view of x2goagent nothing is changed, agent has no idea
>> about the display geometry on the client side. This is why client
>> updating xinerama.conf and resizing a window to apply new settings. I
>> hope it's understandable.
> 
> 
> Yes, it is understandable. But this only relevant for xinerama
> information. And that information is coming from the config file
> (which is correctly updated in this case by x2goclient). So I still do
> not see why x2goagent needs to be triggered in any way. If a software
> needs to know the xinerama setup it issues a XineramaQueryScreens()
> request. This is intercepted by the libNX_xinerama.so and answered
> with the information from the config file. The x2goagent does not even
> see this request and thus does noot need to be updated. The only
> problem that your code solves might be the window manager in the
> session that caches xinerama information.
> 
> Do you have a use case that does not work without the resize?
> 
> Uli
> 


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