Re: [Pyobjc-dev] Customizing trouble with NSCell & NSTableView

[Just v. R. <ju...@le...>]

Dinu Gherman wrote:

> You made my day! I noticed a similar effect earlier on. But I wonder
> how PyObjC tells between protocols where "all" methods need to be
> implemented, like NSTableDataSource, and those where you "can" im-
> plement some of them only, like NSTableViewDelegate, but this should
> be the same for all delegate methods (not sure)...?

Use the source, Luke! Both Foundation.__init__ and AppKit.__init__
define a bunch of informal protocols. Selectors get an isRequired flag.

Just