On Nov 11, 2015, at 5:04 PM, Graham Cox <graham....@bigpond.com> wrote: > > I need to know when a text view becomes First Responder. I thought the > notification NSTextDidBeginEditingNotification would do it, but that’s only > sent when the user starts typing in the text view, which is too late for my > purposes. > > Is there another notification that I could use that signals a view has become > FR? I couldn’t see anything either specific to NSTextView (or NSText) or > views/responders in general. I’d prefer not to have to use a text view > subclass if possible, though if that’s the only way so be it.
You can either use a subclass of NSTextView and override its -becomeFirstResponder method or you can use KVO to observe the firstResponder property of the window and, each time it changes, check if it's your text view. Regards, Ken _______________________________________________ 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
