title: wxPython progress bar
body: <p>I can't use <a href="http://www.wxpython.org/docs/api/wx.ProgressDialog-class.html" rel="noreferrer"><code>wx.ProgressDialog</code></a> because I need to add extra contents to the dialog box (a pause button and information about what is currently being processed).  Is there a control for just the progress bar that I can use in my own dialog box?</p>
  
  <p>I could of course draw something simple myself, but since the program needs to run on Mac OS X, Windows, and Linux it would be better if the progress bars had a native look.</p>