The Event Handling Mechanism
The mechanism used by a manager when it receives an event is as follows:
1. It sends the event to the list of event hooks.
2. If none of the event hooks consume the event, it is sent to the interactor associated with the view that received the event.
3. If there is no view interactor, the manager looks for the top most graphic object at the event position and sends the event to its object interactor.
4. If there is no object or no object interactor, or if the object interactor does not handle the event, it is dispatched to the manager accelerators.
Version 5.8
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