Re: Remote gtk3 app rendering issues

[Dave Howorth <dhoworth mrc-lmb cam ac uk>]

On 2016-04-21 01:35, Daniel Kasak wrote:
> Greetings all. I have a bizarre issue that makes me wonder if I
> understand how remote X applications work ...
>
> I'm running Sabayon Linux on my dev laptop. My work has a bunch of
> Ubuntu 14.04 LTS servers. When I ssh into a server and run a gtk3 app,
> it renders widgets in a horrible 3.1 style, and many icons are
> missing.
>
> But if I tar up /usr/share/themes/Ambiance on the server, and dump it
> into my ~/.themes on my laptop, the widgets render in the 'Ambiance'
> theme - but *only* if I *also* tell my local window manager (
> Enlightenment ) to use the Ambiance theme. I usually use the Adwaita
> theme. I see that Ubuntu 14.04 LTS doesn't have the Adwaita theme -
> maybe it's too old for this?
>
> What's going on here? I thought the X client did all the rendering,
> and pushed pixmaps to the ( in this case, remote ) X server. But
> clearly resources on my laptop are being used here.

You're correct that X clients are in control of the rendering. But 
remember there are multiple X clients - in particular there is an X 
client called the window manager, which is running on your laptop. Guess 
what the window manager does? It draws the windows and their decorations.

> Perhaps I'm approaching things incorrectly? What's the "recommended"
> way of running remote ( gtk3 in particular ) apps and having them
> render nicely - ie as they would if I was actually on the server I'm
> ssh'd in to?

Sorry, can't speak to how gtk3 does things.

> Dan
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