On Aug 4, 2014, at 12:01 PM, Sean McBride <s...@rogue-research.com> wrote:
> NSNumberFormatter, applied to an NSTextField, will very nicely reject things > like letters, and optionally a bunch of things like negative numbers, > non-integers, etc. > > But I've just noticed that it doesn't seem to help if the textfield is left > entirely empty. Is that not something NSNumberFormatter can help with? I > just find that surprising with all the other options it has... Unfortunately, no. > If it can't, I guess the best choices are using NSControlTextEditingDelegate > or key value validation...? Yes, or subclass. If your backing property is a C primitive you could use setNilValueForKey to force nil to mean something. HTH, Keary Suska Esoteritech, Inc. "Demystifying technology for your home or business" _______________________________________________ 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
