fix: TocContoller.jumpToIndex stop working if MarkdoThewnWidget instance is replaced#1
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heyteacher merged 1 commit intoFeb 3, 2026
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…State.dispose and add isDisposed check on jumpToWidgetIndexCallback implementation
heyteacher
deleted the
remove-TocController.jumpToWidgetIndexCallback-unset-on-MarkdownWidgetState.dispose
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Removed
TocContoller.jumpToWidgetIndexCallbackunset onMarkdownWidgetState.disposeand addisDisposedcheck onjumpToWidgetIndexCallbackimplementation.This avoid
TocContollerstop working ifMarkdownWidgetis replaced by a new instance and old instance is disposed.This happens for example in adaptive layouts implementation or multi language support, when
MarkdoThewnWidgetis replaced butTocContollerremain the same.The
isDisposedcheck preserve jumpToWidgetIndexCallback invocation after theMarkdoThewnWidgetis disposed,