On Mar 2, 2015, at 04:44:12, Ben <ben_cocoa_dev_l...@yahoo.co.uk> wrote: > > Since NSCell is apparently on the way out, I've been trying to build a new > control I need using views. It's a cut-down spreadsheet-alike grid, similar > to MBTableGrid here: https://github.com/brendand/mbtablegrid > > Unfortunately, I am running into the to-be-expected performance trouble with > keeping a couple of hundred subviews in my control at the same time. It > particularly hurts when scrolling. Stuff I've tried includes: > > - Removing the off-screen views when possible (still leaves about 150 on > screen) > - Keeping a queue of reusable views to avoid allocating new ones > - Attempting to have one view per grid item type and treat it like an NSCell > (i.e., lockFocus into the parent view and draw there)
Have you profiles it to see what's taking all the time? -- Steve Mills Drummer, Mac geek _______________________________________________ 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