gistfile1.txt

# Elsewhere...
newWindow = ChatWindowController.alloc.init(xmppStream, user)
newWindow.showWindow(self)

# My code
class ChatWindowController < NSWindowController
    attr_accessor :user, :stream
    
    def init(stream, user)
        initWithWindowNibName 'Chatwindow'
        @stream = stream
        @user = user
        self
    end
    
    def awakeFromNib
        p self.window # << THIS WILL MAKE IT CRASH
    end
end