Beautiful. This is really exciting stuff. I'll be updating the aur
package asap and trying it out =)

Have you heard back from the oxygen developers regarding compiling
oxygen out of kde? Last I remember, it was planned but I've never
heard about any work on it.
J. Leclanche


On Tue, Sep 3, 2013 at 8:27 PM, Martin Graesslin <[email protected]> wrote:
> Hi LXDE and Razor developers,
>
> back when Razor was still its own project (again congrats on seeing what you
> share and deciding to work together!) I had the idea of making KWin more
> attractive for non KDE Plasma based desktop environments. For our 4.10 release
> I provided a patch to get a stand-alone and trimmed down version of our window
> manager. I don't want to re-iterate myself, so just check the thread on the
> razor mailing list [1] :-)
>
> In the meantime we had our 4.11 release and I recently rebased the patch to
> this branch. You can find it in [2]. This is our last release based on Qt 4 
> and
> by that probably also the last time I have to do this (we might split repos).
>
> And with that we can look into the future. We are currently working on the
> port to Qt 5 and KF 5 and it looks quite good already. Good enough that I feel
> confident to write to you.
>
> With KF 5 our dependencies go down significantly. Instead of a generic linkage
> to kdelibs we can now link just the few pieces we actually need. I started to
> document our current library dependency in [3]. As you can see it's not a lot
> more than one would expect from an X11 (and Wayland) window manager and
> compositor.
>
> And I have some ideas to make KWin even more attractive. I want to advice
> distributions to split KWin into three packages:
> * KWin core
> * KWin Plasma Desktop Integration
> * KWin configuration modules
>
> The idea is that KWin core contains the bare window manager and compositor.
> This should only depend on KF 5 tier 1 and tier 2 libraries. This is
> completely without UI (except window decorations but those are plugins
> anyway).
>
> All our UI is done in QML currently using Plasma components. That will
> probably not change for our next version - after all we have enough porting to
> do ;-) But hardly any of the QML files are hard coded. Most are loaded through
> a plugin mechanism at runtime which allows to easily replace them. And this
> allows to just move all of them into an "integration" package and have another
> integration package for other desktop environments.
>
> The third part are our config modules. KWin doesn't have configuration
> interfaces built in but uses out-of-process UIs. Those configuration modules
> just modify our config file and send a DBus signal to inform all running KWin
> instances to reload the config. With this mechanism it's again not very 
> difficult
> to provide config interfaces more specific to a desktop environment and also 
> to
> provide a "trimmed down" config. That's what we do for our Plasma Active 
> shell:
> KWin doesn't have any configuration interfaces there as the chance to destroy
> it due to bad settings is too high.
>
> If you have any specific questions or suggestions on what we should do to have
> a well integrated KWin into LXDE/Razor please let me know. At the moment it's
> the best time to draft plans for the future before too much adjustments have
> been done. Please also provide some feedback on the idea of splitting KWin
> into several packages. It's the first time that I'm sharing this idea.
>
> Oh and just as a reminder: if you need any X11 specific Qt code please check
> what we have. Especially KWindowSystems might provide quite some nice and
> useful additions. Also things like our libtaskmanager might be useful. Getting
> X right can be quite annoying and some parts of our code base have 15 years of
> fighting X experience ;-) The code is there ready to be used.
>
> Best Regards
> Martin Gräßlin
> KWin maintainer
>
> [1] https://groups.google.com/d/topic/razor-qt/5LI_BxBewPU/discussion
> [2] 
> http://quickgit.kde.org/?p=clones%2Fkde-workspace%2Fgraesslin%2Fkde-workspace.git&a=commit&h=2d031dfda7581476857bf92df7da28f5f35f8e03
> [3] https://community.kde.org/KWin/Dependencies
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