Re: compositing: agreeing on a hint name for CMs requesting to draw the desktop background

Am Dienstag, den 25.03.2008, 14:23 +0100 schrieb Danny Baumann:
> Hi,
> > On Tue, Mar 25, 2008 at 12:42:06PM +0100, Christian Neumair wrote:
> > > Compiz sets the _COMPIZ_WALLPAPER_SUPPORTED hint for requesting to draw
> > > the desktop background. There is a patch against Nautilus [1] available
> > > that uses this hint to draw the folder background with alpha=0.
> > 
> > >From your email, I can't tell what this hint actually does (or even
> > what window it is set on -- the root? -- or who sets it), 
> It's set by a Compiz (or better Compiz Fusion) plugin (which aims to
> draw per-viewport wallpapers), and is set on the root window. This
> property semantically just says "I am able to draw the wallpaper,
> there's no need to have the desktop window draw the wallpaper".
> > and I can't
> > tell why compiz wants to do anything different with backgrounds than
> > other WMs (i.e., just use the window with type DESKTOP as the
> > background).  Could you perhaps elaborate some?
> As said, per-viewport wallpapers or even video wallpapers or similar.
> The goal is to have the desktop window draw itself transparent (and keep
> only the icons opaque) so other stuff can be drawn underneath it without
> losing the actual desktop functionality.


best regards,
 Christian Neumair

Christian Neumair <cneumair gnome org>

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