- NSEventMaskLeftMouseDown
- NSEventMaskLeftMouseUp
- NSEventMaskRightMouseDown
- NSEventMaskRightMouseUp
- NSEventMaskMouseMoved
- NSEventMaskLeftMouseDragged
- NSEventMaskRightMouseDragged
- NSEventMaskMouseEntered
- NSEventMaskMouseExited
- NSEventMaskKeyDown
- NSEventMaskKeyUp
- NSEventMaskFlagsChanged
- NSEventMaskAppKitDefined
- NSEventMaskSystemDefined
- NSEventMaskApplicationDefined
- NSEventMaskPeriodic
- NSEventMaskCursorUpdate
- NSEventMaskRotate
- NSEventMaskBeginGesture
- NSEventMaskEndGesture
- NSEventMaskScrollWheel
- NSEventMaskTabletPoint
- NSEventMaskTabletProximity
- NSEventMaskOtherMouseDown
- NSEventMaskOtherMouseUp
- NSEventMaskOtherMouseDragged
- NSEventMaskGesture
- NSEventMaskMagnify
- NSEventMaskSwipe
- NSEventMaskAny
