bug.rb

framework 'AppKit'

app = NSApplication.sharedApplication

class ItemDelegate
  
  def define_actions(actions)
    actions.each do |command|
      self.class.send(:define_method, command) do |sender|
        puts command
      end
    end
  end
  
  def quit(sender)
    exit
  end
  
end

@menu = NSMenu.alloc.init
actions = ['test', 'test2']
menu_delegate = ItemDelegate.new
menu_delegate.define_actions(actions)

actions.each do |action|
  item = @menu.addItemWithTitle(action, action: action, keyEquivalent: "")
  item.target = menu_delegate
end

item = @menu.addItemWithTitle("Quit", action: 'quit:', keyEquivalent: "q")
item.toolTip = "Click to close this App"
item.target = menu_delegate

bar = NSStatusBar.systemStatusBar.statusItemWithLength(NSSquareStatusItemLength)
bar.title = "test"
bar.menu = @menu
bar.highlightMode = true

app.run