lib/vision/events

->POINTER_STATUS
->WHEN_CLOSE_REQUESTED
->WHEN_DOUBLE_CLICKED
->WHEN_EXPOSE
->WHEN_FULLY_VISIBLE
->WHEN_GEOMETRY_CHANGE
->WHEN_KEY_DOWN
->WHEN_KEY_UP
->WHEN_LEFT_CLICKED
->WHEN_LEFT_DOWN
->WHEN_LEFT_UP
->WHEN_MAPPED
->WHEN_MIDDLE_CLICKED
->WHEN_MIDDLE_DOWN
->WHEN_MIDDLE_UP
->WHEN_NOT_VISIBLE
->WHEN_PARTIALLY_VISIBLE
->WHEN_POINTER_ENTER
->WHEN_POINTER_LEAVE
->WHEN_POINTER_MOVE
->WHEN_RIGHT_CLICKED
->WHEN_RIGHT_DOWN
->WHEN_RIGHT_UP
->WHEN_UNMAPPED
->WHEN_WHEEL_DOWN
->WHEN_WHEEL_UP