## Package org.opengis.go.display.event

Interface Summary
AggregationChangeEvent: Provides a mechanism for notification of additions, removals, and reorderings of elements in an aggregation.
AggregationListener: Allows an implementing object to listen to element addition, removal, and ordering changes in an aggregating object.
EventHandler: Common abstraction whose implementations can associate different key handlers with a Component to switch key handling states easily.
EventManager: Marker interface for classes that handle events from input devices.
GraphicChangeEvent: Provides a common abstraction for the various event objects pertaining to change events on a `Graphic`.
GraphicEvent: Provides a common abstraction for the various event objects pertaining to key, mouse, other implementation-specific controls, or change events on a `Graphic`.
GraphicKeyEvent: Provides a common abstraction for the various event objects pertaining to key events on a `Graphic`.
GraphicListener: Allows a program to listen to a `Graphic` for certain mouse and state events.
GraphicMouseEvent: Provides a common abstraction for the various event objects pertaining to mouse events on a `Graphic`.
KeyHandler: Defines a common abstraction whose implementations can associate different key handlers with a Component to switch key handling states easily.
KeyManager: Defines a common abstraction for classes that handle key events.
MouseHandler: Defines a common abstraction whose implementations can associate different mouse handlers with a Component to switch mouse handling states easily.
MouseManager: Defines a common abstraction for classes that handle mouse events.

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