tooltipTriggerWhenLabelHidden property
Overrides tooltipTrigger specifically when the destination label is currently hidden (e.g., when labelBehavior is NavigationDestinationLabelBehavior.alwaysHide or the destination is unselected in NavigationDestinationLabelBehavior.onlyShowSelected).
When non-null, takes precedence over tooltipTrigger for the label-hidden state.
Implementation
final TooltipTriggerMode? tooltipTriggerWhenLabelHidden;