I’m trying to find out if it’s possible to recreate the capacity bars in Lion, like so…
http://thenextweb.com/files/2011/07/about-this-mac-storage.png
I’ve seen third party apps (such as Windows Phone 7 Connector) using an identical control. Is there an official way to do this?
It’s a custom view. So the only “official” way to do it is to subclass NSView and go crazy in drawRect:.
You might as well start with the official documentation on the subject.
After that, there are numerous tutorials and such on the web. This one isn’t half bad.