title: Range slider in Qt (two handles in a QSlider)
body: <p>I need a range selection using <code>QSlider</code>. Is it possible to get two handles, if not, is there any piece of code available to handle that smartly?</p>
  <p>Below is an image illustrating what I need.</p>
  <p><img src="https://i.stack.imgur.com/oT2nb.jpg" alt="Example Image" /></p>