title: How to "Reveal in Finder" or "Show in Explorer" with Qt
body: <p>Is it possible to open a folder in Windows Explorer/OS X Finder and then select/highlight one file in that folder, and do it in a cross platform way? Right now, I do something like</p>
  
  <pre><code>QDesktopServices::openUrl( QUrl::fromLocalFile( path ) );
  </code></pre>
  
  <p>where <code>path</code> is a full path to folder I want to open. Obviously, this will just open the folder, and I'll have to track down the file I need manually. This is a bit of a problem when there are thousands of files in that folder.</p>
  
  <p>If I make it a path to specific file in that folder, then that file is open with default application for that mime type, and that is not what I need. Instead, I need the functionality equivalent to "Reveal in Finder" or "Show in Explorer".</p>