RFC on UX surveys on the session preference UI

Steve Dodier-Lazaro sidnioulz at gmail.com
Tue Nov 18 10:19:35 CET 2014

Thanks Guido.

Interesting issue indeed, I'm not sure if we're better off waiting for
KDE to replace XSMP or nagging GTK for them to push their API to

With regard to the original topic of this email, is there any
objection to the survey happening? I'll start sending mails tomorrow
or so to advertise it.


2014-11-15 8:05 GMT+00:00 Guido Berhoerster <gber at opensuse.org>:
> * Steve Dodier-Lazaro <sidnioulz at gmail.com> [2014-11-15 01:12]:
>> Thanks for the hints, I wasn't aware of that though I suspected
>> something of the sort with GNOME D-Bus Activation. Do you happen to
>> know if they have proposed their new session management protocol to
>> XDG for standardisation
> No, of course not, it uses the org.gnome.SessionManager, they've
> had that for years[1]. It's just recently that they started
> removing XSMP support[2] breaking session management on Xfce, KDE
> and anything non-GNOME. What's worse is that the "Unix" backend
> of GtkApplication has the org.gnome.SessionManager DBUS interface
> hardcoded[3] for session management and the GTK documentation
> actively encourages people to remove XSMP support in facor of
> GNOME-only session management[4].
>> and/or if KDE also have a custom protocol
>> instead of XSMP?
> Sorry don't know, but they will have to come up with something
> for their Wayland support. What I do know is that they have an
> abstraction of XSMP support in the KDE core libraries still used
> by many KDE applications, so I now use Okular instead of Evince
> in order not to loose all my open PDF's when I log out...
> [1] https://wiki.gnome.org/Projects/SessionManagement/GnomeSession
> [2] e.g. https://bugzilla.gnome.org/show_bug.cgi?id=672735
>     https://bugzilla.gnome.org/show_bug.cgi?id=677981
> [3] https://git.gnome.org/browse/gtk+/tree/gtk/gtkapplication-dbus.c?id=f5c5e9385e960a74ce38bc58a30fa36474d0cd6a#n142
> [4] https://developer.gnome.org/gtk3/stable/gtk-migrating-smclient-GtkApplication.html
> --
> Guido Berhoerster
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Steve Dodier-Lazaro
PhD Student in Information Security
University College London
Free Software Developer
OpenPGP : 1B6B1670

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