title: Embed Qt window into firefox, via plugin, on Linux
body: <p>So this is a trivial example of what I'm trying to accomplish:</p>
  
  <p>Using QX11EmbedContainer, and QX11EmbedWidget, I can create two separate apps that embed the widget from one into the window of the other (container &lt;- widget). I would like to do the same in Firefox, and embed the widget into a plugin.</p>
  
  <p>So I created a basic plugin that just contains the QX11EmbedContainer (starting from the 'trivial' example of qtbrowserplugin), and just for testing purposes, another generic widget. </p>
  
  <p>The result is that the generic widget shows inside the plugin just fine, but the container widget 'pops' out to a separate window.</p>
  
  <p>This occurs under Firefox, Chrome, and even Konqueror.</p>
  
  <p>So the question is - Is it possible to embed external Qt widgets into a plugin?</p>