Re: NSCommandKeyMask being ignored in NSView subclasses
Re: NSCommandKeyMask being ignored in NSView subclasses
- Subject: Re: NSCommandKeyMask being ignored in NSView subclasses
- From: Andrew Farmer <email@hidden>
- Date: Sun, 29 Jul 2007 19:42:17 -0700
On 29 Jul 07, at 18:54, Bruce Johnson wrote:
thank you for the links,
NSUndoManager doesn't work for what I'm trying to do. I am working to
implement a very specific action that NSUndoManager doesn't
present an
obvious solution for, but that is a secondary issue.
I'd argue that's the *primary* issue, given that solving it would
make the secondary issue (trying to intercept cmd-Z) go away. Without
further information on what you're trying to do, though, I can't help.
I've created a menu with the cmd-z shortcut (or whatever cmd-key
combination
I choose) in Interface builder. The action method in my controller
class is
not getting called.
Probably because it's getting caught by the existing Edit:Undo menu
item.
Is there a way to intercept the command-key events?
Yes. (Subclass NSApplication and override sendEvent.) However, I
strongly recommend against implementing your feature that way - among
other issues, Cmd-Z for undo will stop working in places that it
normally works, like text fields, and the Edit:Undo menu item will
behave differently from the Cmd-Z shortcut. It's also just plain ugly.
You're much better off taking a close look at how the responder chain
works. If you understand this concept thoroughly, you'll see a much
easier way to make the keyboard shortcut work.
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