title: How to get the Value from a input field in QWebView
body: <p>In Qt I have a <code>QWebView</code> on the screen the site in the web view has an input field,
  I want to get the <strong>value</strong> attribute from the input field and store it in a <code>QString</code>
  Basically what I'm asking is how can I store the value of a input field in a <code>QString</code></p>