private SmState Transition(IKeyboardToolTip tool, ToolTip tooltip, SmEvent @event)
=> (_currentState, @event) switch
{
(SmState.Hidden, SmEvent.FocusedTool) => SetupInitShowTimer(tool, tooltip),
(SmState.Hidden, SmEvent.LeftTool) => _currentState, // OK
(SmState.ReadyForInitShow, SmEvent.FocusedTool) => _currentState, // unlikely: focus without leave
(SmState.ReadyForInitShow, SmEvent.LeftTool) => FullFsmReset(),
(SmState.ReadyForInitShow, SmEvent.InitialDelayTimerExpired) => ShowToolTip(tool, tooltip),
(SmState.Shown, SmEvent.FocusedTool) => _currentState, // unlikely: focus without leave
(SmState.Shown, SmEvent.LeftTool) => HideAndStartWaitingForRefocus(tool, tooltip),
(SmState.Shown, SmEvent.AutoPopupDelayTimerExpired) => FullFsmReset(),
(SmState.WaitForRefocus, SmEvent.FocusedTool) => SetupReshowTimer(tool, tooltip),
(SmState.WaitForRefocus, SmEvent.LeftTool) => _currentState, // OK
(SmState.WaitForRefocus, SmEvent.RefocusWaitDelayExpired) => FullFsmReset(),
(SmState.ReadyForReshow, SmEvent.FocusedTool) => _currentState, // unlikely: focus without leave
(SmState.ReadyForReshow, SmEvent.LeftTool) => StartWaitingForRefocus(tool),
(SmState.ReadyForReshow, SmEvent.ReshowDelayTimerExpired) => ShowToolTip(tool, tooltip),
// This is what we would have thrown historically
(_, _) => throw new KeyNotFoundException()
};
public SmTransition(SmState currentState, SmEvent @event)
{
this.currentState = currentState;
this.@event = @event;
}
