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List:       kwin
Subject:    Re: New Shadow System
From:       Sam Spilsbury <smspillaz () gmail ! com>
Date:       2011-01-27 11:38:15
Message-ID: AANLkTi=UMw1qDDTCp-rkiJvzKH9C4CcXQUX6KoO8kZkJ () mail ! gmail ! com
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On Thu, Jan 27, 2011 at 6:09 PM, Hugo Pereira Da Costa
<hugo@oxygen-icons.org> wrote:
> On Wednesday 26 January 2011 21:35:15 Martin Gräßlin wrote:
>> Hi all,
>>
>> I have been gathering some ideas about how to do window shadows better in a
>> composited window manager and how to give control of the shadows to the
>> widget style. I wrote down my current ideas for (undecorated) windows in
>> [1]. The approach can easily be extended to support decorated windows
>> (active and inactive state).
>>
>> Please all have a look at it and provide some feedback. Feel free to
>> change/extend it to whatever you think. The idea is mostly based on
>> discussions with Hugo (Oxygen) with some ideas coming from a discussion
>> with Thomas (Bespin), but I would also love to have feedback from other
>> widget style developers like Christoph and Craig.
>>
>> Furthermore if you look at the proposal you will see some _KDE_NET_WM
>> hints. So I want to have this "upstreamed" after it is implemented. That's
>> why I cc- ed Sam to get some early feedback from the cross-wm front ;-)
>> Does the approach work for Compiz as well and does it make sense to go the
>> way through EWMH?
>>
>> Thanks to all making Shadows in 4.7 rock :-D
>>
>
> I'm all for it. In fact since oxygen already deals with shadow using some
> plasma-like code, the suggested solution is pretty easy.

Sure. I assume that the kde4-window-decorator is to read this property, yes?

> Only concern I have is how do I actually pass a QPixmap as a X property :)

Get the X11 pixmap handle and save that inside the window property.
The X11 pixmap is available to all applications, so kde4-w-d and kwin
should be able to just read it.

>
>> Cheers
>> Martin
>>
>> [1] http://community.kde.org/KWin/Shadow
>



-- 
Sam Spilsbury
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