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Re: [Xen-devel] RFC: drop frontend support for relative pointer

On Thu, Oct 08, 2009 at 12:25:23PM +0100, Stefano Stabellini wrote:
> On Wed, 7 Oct 2009, Daniel P. Berrange wrote:
> > That's good to know - stubdom was one area I was concerned about. To the
> > best of my knowledge the only backend that ever sent relative mouse events
> > was the old PVFB we had in Fedora 6 which was the original code before 
> > the eventual merge into official xen-devel trees. So official repos have
> > always defaulted to absolute mode.  Hopefully no one out there has gone
> > and re-implemented the PVFB backend in any other fork of Xen and dropped
> > ABS mode or made REL the default ???
> > 
> > IMHO if ABS mode is able to work correctly, then there's absolutely no
> > benefit in having a REL mode at all, so its best deleted / removed. 
> I guess keeping around unused code doesn't make much sense but I was just
> being cautious, given that for example XCI is currently using relative
> coordinates so they are not dead just yet.

Doh, that was exactly the kind of issue I was afraid of. If there is
a current host OS that uses relative mode, then we can't get rid of it
in the frontend. So if XCI only does relative mode, that pretty much
puts a stop to Markus' plan

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