Handling key equivalents in a controller class?

[Jens Alfke]

I've run into this problem a few times now: I have an NSWindowController subclass that manages a window. I want to handle certain hot-keys in this window, for example Esc to exit full-screen mode, or maybe use letter keys to switch tools as in Photoshop. Where do I put the handler for this?

Am I missing something?

—Jens

When this happened in the past I added a -performKeyEquivalent: method to a custom view in the window. However, this only makes sense architecturally if the action is related to that view; and if the view is a standard class (like NSTableView) then I have to subclass it just to add that one method. (AppKit doesn't send -performKeyEquivalent up the responder chain to the window's delegate, only to the views in the window.) This seems contrary to Cocoa's usual philosophy of delegation.

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