Importance

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Abstract

An object-oriented user interface utilizes object-oriented controls that operate together and compartmentalize the response code in three separate objects. The first object is called an interactable object and is incorporated into the application program. The interactable object includes a displayable representation generically referred to as an icon and a number of methods for manipulating the icon display. The display itself is managed by a second object called a view object which is associated with the display screen. The view object monitors and tracks the position of the icons on the display screen. The view object and the interactable objects are coordinated by means of an interaction object which receives input messages and event signals generated by mouse movements, mouse button presses, keyboard key presses and position information generated by the view object. Based on a collective determination of all of the information, the interaction object invokes logic in the interactable objects to cause the objects to change the displayed information.

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First Claim