IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 12 September 2015   (all times are UTC)

00:00
<Neytiri>
well looks like its time to rewrite x
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05:03work_alkisg is now known as alkisg
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05:04
<alkisg>
Neytiri: why, do you know of any other graphics system that natively supports that?
05:05
<maldridge>
alkisg: wayland can iirc
05:06
<alkisg>
Moving windows between different user sessions is about remote viewing part of a session, not about a graphics system
05:06
maldridge: I think wayland doesn't care at all about networking
05:06
X is network transparent, I think wayland decided from the beginning that this was not one of their goals
05:07
<Neytiri>
if all the applications are running on the server, it should be easy to have it show up on another screen session
05:07
<alkisg>
Neytiri: on another user session?
05:08
<Neytiri>
yes, thats the end goal
05:08
<alkisg>
It's not easy to do that as part of a graphics system
05:08
The client state is owned by the user
05:08
You can't easily transfer that to another user, you need to design the system to be able to do that from the start
05:09
And, losing a lot of performance while doing so
05:09
Since that's a corner case, it's usually much easier to do the opposite
05:09
To have an application that reads the screen contents and then transfer them elsewhere
05:09
(vnc, rdp like)
05:10
That part would be easy, especially with compositing managers etc
05:10
VNC, vbox etc do support showing only specific windows
05:10
Maybe even x2go, not sure
05:11
<Neytiri>
i dont just wnat to show the window, i wnat to be able to hand it off to that user
05:11
<alkisg>
Do you know of any software in any OS that does that?
05:12
<Neytiri>
apart from goverment setup's no, thats why i was asking here
05:12
<alkisg>
There's a reason why they don't do that :) See above...
05:12
What you can do is grab the window contents and show them wherever you like
05:13
The window can be hidden in the first place, so to you it would look like you "hand it over"
05:13
But I know of no graphics systems that were designed for that. Only screen capturing applications that can do that.
05:15
See a first hit on google that talks about such software: http://superuser.com/questions/393747/how-can-i-share-a-single-application-window-with-tightvnc
05:15
<maldridge>
I can *sort of* do that in plan 9, but there's a lot of other things that don't work there
05:54
<alkisg>
Another thing to consider is that when you e.g. "pass a window" to another user, that user then has access to a process with your uid. That's a major security issue, imagine e.g. giving him access to an office application and him using it to file open->locate terminal shortcut->right click run... and then him installing keyloggers, erasing your files etc
05:54* alkisg waves
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12:15
<vmlintu>
vsuojanen: just read your mail about localboot / 3-partition layout.. Do you have a specific usecase for it?
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