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List:       kde-panel-devel
Subject:    KWin Scripting Situation
From:       Martin =?ISO-8859-1?Q?Gr=E4=DFlin?= <mgraesslin () kde ! org>
Date:       2011-06-30 17:24:51
Message-ID: 2009905.hjiu6FtRcB () martin-desktop
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Hi all,

writing to KWin and Plasma as I want more input.

Since 4.6 KWin has a JavaScript interface which has been developed as a \
GSoC project last  year. Unfortunately we have not received any further \
development on the scripting area in  KWin. The last commit on the \
scripting subdirectory has been my coding-style change back in  January. \
Since the end of GSoC there has only been one commit by the student.

Half a year without any commits means the code is in bitrot state. \
Especially given that we  don't have any documentation about how the whole \
system works and no documentation for  the users about how to write scripts \
(including myself). There have been some blog posts  about it, but the \
request to move the documentation to techbase and community have not  been \
honoured.

Furthermore I have noticed while working with KWin core that some of the \
signals for  interaction between core and scripting are emitted at the \
wrong place. E.g. window activated  is emitted at a state where KWin might \
still decide to not activate the window. Also some  parts use direct method \
invocation instead of signal'n'slot which violates the design I have in  \
mind for KWin.

My conclusion so far is, that:
1. we are not able to maintain KWin scripting. It is likely that Arthur's \
refactoring project will  break scripting without we even noticing.
2. we are not able to extend it. E.g. Wayland will not support scripting
3. it is not of any use for our users and nobody is using it (no bugreport \
so far)

I am very unsure on how to go ahead with this code. The most honest thing \
would to  withdraw the feature again, but I don't want to do that as KDE \
gave a GSoC slot to it.

I would appreciate some input on how to proceed in such a situation. \
Especially the input  from Plasma devs who have gone through similar \
situations (e.g. widget explorer) could help  me a lot.

Cheers
Martin


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