The subject matter of this document can be implemented in, among other things, a method that includes displaying, on a user interface of a computing device, a base portion of a keyboard. The method further includes receiving, on the user interface, a user input that includes initiating a contact at a first region of the user interface that is associated with the base portion of the keyboard, moving the contact, while maintaining connection with the user interface, to a second region of the user interface that is outside the first region and that is associated with an extended portion of the keyboard, and releasing the contact at a location within the second region. The method further includes activating a selection in the extended portion of the keyboard based on the location within the second region at which the contact is released.