Re: Client-side decorations, RGBA opaque regions

[Cody Russell <bratsche gnome org>]

On Wed, 2009-11-25 at 11:03 -0500, Dana Jansens wrote:
> How would a compositing manager which decorates windows with, for
> example, shadows, know not to draw shadows around/over/under the
> client's shadows?  I believe that window frames and other decorations
> should each be done by a single client or there will be innumerable
> conflicts involved. 

Sorry, I'm getting off topic a bit.  To answer your question, the hint
I'm proposing that I called _NET_SHADOW_EXTENTS could solve this.  If
those extents are set by the application, then the CM might know from
this that the application intends to draw its own shadow (or glow, or
whatever).