Custom OSX window skin?

How do I make custom buttons for my app window on OSX? I'd also like to skin the entire window.

Are there any ea开发者_开发问答sy classes or ways to do this? Any tutorials that show how?

If you want to deviate a little from the standard OS X interface, you should take a look at NSThemeFrame, the class that draws standard OS X windows. You can read a little bit about it here, and find out more using Google.

CocoaWithLove has an article that describes how to make your own window: