Patent ID: 8185845

Claim:
An arrangement for controlling a computer apparatus associated with a graphical display, the display presenting a representation of a plurality of GUI-components that are configured to be manipulated based on user-generated commands, the arrangement comprising; a display; an event engine configured to receive an eye-tracking data signal describing a user's point of regard on the display, and at least based on the eye-tracking data signal, configured to produce a set of noncursor controlling event output signals influencing the GUI-components, each of the noncursor controlling event output signals describing a different aspect of the user's ocular activity in respect of the display, wherein the event engine is configured to: receive a respective control signal request from each of the GUI-components, each respective control signal request defining a sub-set of the set of non-cursor controlling event output signals which is required by a corresponding one of the GUI-components to operate as intended, produce the set of non-cursor controlling event output signals which is actually requested by the respective control signal request from each of the GUI-components, and deliver the set of non-cursor controlling event output signals to the GUI-components in accordance with each respective control signal request.