Comment 4 for bug 283403

Well, this is not a bug but a feature :)

What you have here is a question: "How to disable the title bar scroll action?"
You can ask it here: https://answers.edge.launchpad.net/

If they tell you that there is an easy way to change the configuration, then you can add an idea to http://brainstorm.ubuntu.com/ to ask it to be disabled by default.

If they tell you that there is no easy way to change the configuration, then you should add a feature request to xfce: http://bugzilla.xfce.org/

Thanks for your report.
pura vida.