RFC: Synchronizing Virtualizer Visible Rect After Programmatic Collection Scrolling#10309
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000vincent999 wants to merge 1 commit into
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RFC: Synchronizing Virtualizer Visible Rect After Programmatic Collection Scrolling#10309000vincent999 wants to merge 1 commit into
000vincent999 wants to merge 1 commit into
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Co-Authored-By: Claude <noreply@anthropic.com>
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| The existing area-based guard can be fooled by cross-axis overscan. For example, a vertical list can have an overscanned requested rect whose area appears larger than the content area even though the requested rect has not actually covered the newly appended item. In that case, a newly focused persisted key exists in the collection but does not have layout info. | ||
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| The proposed condition is to compute the full layout when the key is missing from `layoutNodes` but exists in the current collection: |
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This seems bad and expensive, no?
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This RFC proposes an internal mechanism for virtualized collection components to refresh the virtualizer visible rect after programmatic scrolling caused by keyboard focus movement.
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