Did you try a subclass of NSWindow and overriding -setFirstResponder:?

Amin
Am Di,05.08.2008 um 15:36 schrieb an0:

I know how to do this for NSValidatedUserInterfaceItem by implementing
`- (BOOL)validateUserInterfaceItem:(id < NSValidatedUserInterfaceItem
)anItem'; however, NSSegmentedControl and NSButton do not conform to
NSValidatedUserInterfaceItem protocol, then how can I switch the
enable status of  these controls as an IMMEDIATE response to the focus
transfer?
Thanks in advance.
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