On Thu, 19 Jul 2012 11:06:29 ext Sven Anderson wrote: > On 19.07.2012 03:29, Alan Alpert wrote: > > On Wed, 18 Jul 2012 19:00:01 ext Rafael Brandao wrote: > > > > There's a new enabled property which also prevents mouse input. It also > > affects keyboard focus, but if you aren't using keyboard focus you can > > bind enabled: opacity > 0 and get effectively the same results as before. > > BTW: I always assumed that binding a bool to a float which is expected > to be animated, that is, will have a lot of small changes, is very > inefficent, since a lot of notifies are sent out during the animation, > and everytime the bool has to be evaluated. So I always set the bool at > the end of the animation accordingly without binding, or at least I > created only one bool->float binding, and bound everything else to that > bool. Is this assumption correct, or don't I have to care about this, > since it is somehow optimized by the engine?
Yes, that's a good assumption for improved performance. The issue is described in more detail on the QtQuick performance considerations page: http://doc- snapshot.qt-project.org/5.0/qtquick-performance.html#animations . -- Alan Alpert _______________________________________________ Development mailing list [email protected] http://lists.qt-project.org/mailman/listinfo/development
