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I’m trying to get a custom NSTextFieldCell (inside a NSOutlineView) to end editing when the ESC key is pressed but cannot find any way to accomplish this. I tried to add an observer for the NSControlTextDidChangeNotification-notification but it is not fired for the ESC-key nor is keyDown fired in the NSOutlineView.
Esc triggers
-cancelOperationin NSResponder. You can try to handle this somewhere in your responder chain.