Patch for thumbnail update in layerbox

[Boudewijn Rempt]

On Sunday 19 September 2010, Dmitry Kazakov wrote:

> 
> I think adding parameters is the worst thing that we can do here =(
> 

Maybe it would be better to bite the bullet & not use the locked system to hint for updates, but add a signal updated() to KisBaseNode that can be emitted by tools when they are done.

-- 
Boudewijn Rempt | http://www.valdyas.org
Ceterum censeo lapsum particulorum probae delendum esse