compiz - Jun 2007 - KDesktop 3 transparency patch

Hello,

this patch adds support for real transparency to kdesktop. It adds two new 
composite manager related features. To activate the features kdesktop has to 
be started with the "--bg-transparency" option.

The first one allows you to change the opacity of the background image. This 
works currently with the beryl transparent cube and will also work with 
compiz once the transparent cube gets applied. To activate the feature add 
the following to your kdesktoprc:
[Background Common]
BackgroundOpacity=90 (0 = fully transparent / 100 = opaque)

The second feature allows compiz (and later maybe other composite managers) to 
tell kdesktop not to paint the background image 
("_COMPIZ_WALLPAPER_SUPPORTED" x atom). In this case compiz is able to
paint
a viewport dependent background or to make it even animated. This feature 
looks for changes to the x atom, so that kdesktop will automatically switch 
back to normal background if kwin gets started or compiz stops to render the 
wallpaper.

This patch is against the current kde3 svn.

You can also find it with screenshots on 
http://www.kde-apps.org/content/show.php/KDesktop+transparency+support?content=59864

Regards
Dennis
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For those who don't already know, similar patches for libeel and
nautilus are available at:
http://bugzilla.gnome.org/show_bug.cgi?id=444320
and a wallpaper plugin that supports the hint and images/flat
fills/gradients is available at http://gitweb.opencompositing.org. I
plan to add compositing of elements/scaling in the near future.

Regards,
Robert

On 6/6/07, Dennis Kasprzyk <onestone at opencompositing.org>
wrote:
> Hello,
>
> this patch adds support for real transparency to kdesktop. It adds two new
> composite manager related features. To activate the features kdesktop has
to
> be started with the "--bg-transparency" option.
>
> The first one allows you to change the opacity of the background image.
This
> works currently with the beryl transparent cube and will also work with
> compiz once the transparent cube gets applied. To activate the feature add
> the following to your kdesktoprc:
> [Background Common]
> BackgroundOpacity=90 (0 = fully transparent / 100 = opaque)
>
> The second feature allows compiz (and later maybe other composite managers)
to
> tell kdesktop not to paint the background image
> ("_COMPIZ_WALLPAPER_SUPPORTED" x atom). In this case compiz is
able to paint
> a viewport dependent background or to make it even animated. This feature
> looks for changes to the x atom, so that kdesktop will automatically switch
> back to normal background if kwin gets started or compiz stops to render
the
> wallpaper.
>
> This patch is against the current kde3 svn.
>
> You can also find it with screenshots on
>
http://www.kde-apps.org/content/show.php/KDesktop+transparency+support?content=59864
>
> Regards
> Dennis
>
> _______________________________________________
> compiz mailing list
> compiz at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/compiz
>
>
>