Having TinyMCE’s HTML editor come up in a tab and not a popup window?

We have the default TinyMCE installation where clicking on the button to bring up the HTML editor makes it come up in a popup window. With something like WordPress, the HTML editor is just another tab inside the TinyMCE box, which is a nicer alternative.

Is it possible to setup TinyMCE so the HTML editor just comes up in another tab of some sort inside TinyMCE box itself, rather than a popup window? (ala WordPress)

Thank you