Arrangement, method and computer program for controlling a computer apparatus based on eye-tracking

An arrangement for controlling a computer apparatus associated with a graphical display, the display presenting a representation of at least one GUI-component which is adapted to be manipulated based on user-generated commands, the arrangement comprising an event engine adapted to receive an eye-tracking data signal describing a user's point of regard on the displays, and at least based on the eye-tracking data signal produce a set of non-cursor controlling event output signals influencing the at least one GUI-component, each non-cursor controlling event output signal describing a particular aspect of the user's ocular activity in respect of the display, characterized in that the event engine is adapted to:

• receive a control signal request from each of the at least one GUI-component, the control signal request defining a sub-set of the set of non-cursor controlling event output signals which is required by the GUI-component, and
• deliver non-cursor controlling event output signals to the at least one GUI-component in accordance with each respective control signal request.