Patent 6989821 was granted and assigned to Alcatel Ventures on January, 2006 by the United States Patent and Trademark Office.
A method of managing keyboard events for a graphical user interface configured in the form of a tree of graphical elements. Each graphical element of the tree is associated with a list of keys, and each listed key is associated with an action to be initiated on receipt of a keyboard event corresponding to the key and the graphical element.