Am 10.07.2010 um 03:42 schrieb Michael Ash: > On Fri, Jul 9, 2010 at 6:22 PM, Georg Seifert <georg.seif...@gmx.de> wrote: >> Hi, >> The thing is, I want to replicate the NSCollectionView but using cells >> instead of views. The NSCollectionView has a lot of problems like >> performance and I couldn’t find a way to get the rect of the view of an >> item (both fixed in Snow Leopard but I have to support Leopard). > > If I were writing this today, I would use views. I would make it so > that it only had enough subviews to occupy the currently visible area. > The rest of the collection view would be empty. As the user scrolled, > I would create new views for the newly exposed items and add them > dynamically. If view creation is too slow for this, I would implement > some sort of view reuse mechanism that could load new data into the > views that have scrolled off screen. This is basically how UITableView > works on the iPhone, and if it can get good performance on that > platform, you ought to be able to do great on any Mac that can run OS > X. > I understand.
Jumping through some more holes, I did manage to implement most things I needed. On thing I can’t figure out, is how to implement extending the selection with the shift key. Only the command modifier works by default. Georg > Mike > _______________________________________________ > > 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: > http://lists.apple.com/mailman/options/cocoa-dev/georg.seifert%40gmx.de > > This email sent to georg.seif...@gmx.de _______________________________________________ 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: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
