Hi _murat,Please log a bug on this for us.
--corbin On 05/17/12, "mlist0...@gmail.com" <mlist0...@gmail.com> wrote: > I have an NSCollectionView with really simple (i.e. no tracking areas) item > views. > > In a test case of about 1500 items, scrolling gets unacceptably choppy. I've > tracked this down to calls to a private method, > -[NSView _updateTrackingAreas]. > > While scrolling, _updateTrackingAreas is called for my item views each time > they move a few pixels, even though they have no tracking areas. > _updateTrackingAreas in turn calls > -[NSNotificationCenter postNotificationName:object:userInfo:], which is what > is actually taking up all the time. > > Stubbing out _updateTrackingAreas improves the scrolling dramatically, but > I'd like to find a sanctioned way to at least delay the recalculation of > tracking areas until scrolling is done. > > Any pointers? > > _murat > > > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com