David Edmundson david at
Thu Jun 9 19:57:04 UTC 2011

Hey all,

I wanted to give a bit of an update about QLightDM (what I've called
the Qt library for LightDM Greeters), as well as the direction I want
to take the KDE side.

The library is much better than it was a few weeks ago. It still has
quite a few missing features, and still a few bits I don't like, but
it's pretty good, and quite easy to use.

For the KDE side of things I intend to have a QML powered greeter
engine. This will display any QML file as the greeter, and provide all
the linking to the LightDM daemon and general models and such.

This enables anyone to build a login theme without any compiling, and
makes it completely safe for the end user.
I've outlined my goals/design/reasoning in more detail here:

There is also a shiny picture of what my demo greeter looks like here: Note the use of
plasma widgets.
It's not finished, but it shows what I'm doing. I imagine kubuntu will
want to Kubuntu-ify it a bit. If anyone has any designs let me know.

This is in development here:
There is a demo theme here:

It requires the latest master of lightdm to compile (lp:lightdm).

I've made a bit of a start on the KDM settings module, but I don't
know any policyKit so will get stuck with that shortly. I'm working on
kde's git repos as I want this to be an upstream thing, though the
general feedback on my blog was fairly negative so I've not approached
anyone yet.

Moving forwards, I think I should take discussion about KDE and
LightDM off the kubuntu ML and maybe onto the LightDM ML? I'm not sure
if I'm bugging people. I also need some opinions from you and to get
some more people on board.


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