title: Where GTK finds icon names to use with gtk_image_new_from_icon_name()?
body: <p>GTK can construct images by name of the "icon from current icon theme". For example:</p>
  
  <pre><code>#!/usr/bin/env python
  import gtk; wnd=gtk.Window(); img=gtk.Image();
  img.set_from_icon_name( "go-jump", gtk.ICON_SIZE_BUTTON );
  wnd.add( img ); img.show(); wnd.show(); gtk.main()
  </code></pre>
  
  <p>This will display a window with a pretty arrow inside it. But - only on ubuntu. On Windows or OSX it will display window with a "no image" icon inside :(. So my questions is - where GTK keeps icon names like "go-jump"? Is it some list or specification available like for stock icons? Maybe it's some GTK API i can use to list such icons?</p>