It's not currently possible.
If you would like to make a feature request for StudioOne to be added in a future release, we have a forum section specifically for Feature Requests.
http://answers.presonus.com/studio-one-feature-requests
*You must be logged into the Answers Site in order to post your feature request.
Read through the previous posts to see if your request is already added by another user. If so, post in their listing to add to the numbers requesting the feature you would like to see added.
Link to previous feature requests:
http://answers.presonus.com/questions/studio-one-feature-requests?sort=views