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Update adaptable_page_view.dart (#2134)
Co-authored-by: Matthew Fosse <matt@fosse.co>
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parent
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commit
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1 changed files with 18 additions and 3 deletions
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@ -137,10 +137,25 @@ class _RenderSizingContainer extends RenderProxyBox {
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parentUsesSize: true,
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parentUsesSize: true,
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);
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);
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final a = sizes[page.floor()]!;
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final int floorPage = page.floor();
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final b = sizes[page.ceil()]!;
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final int ceilPage = page.ceil();
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Size? a = sizes[floorPage];
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Size? b = sizes[ceilPage];
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if (a == null && sizes.isNotEmpty) {
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a = sizes.values.first;
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}
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if (b == null && sizes.isNotEmpty) {
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b = sizes.values.first;
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}
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a ??= child.getDryLayout(constraints);
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b ??= a;
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final double t = (page - floorPage).clamp(0.0, 1.0);
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final double height = lerpDouble(a.height, b.height, t) ?? a.height;
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final height = lerpDouble(a.height, b.height, page - page.floor());
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child.layout(
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child.layout(
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constraints.copyWith(minHeight: height, maxHeight: height),
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constraints.copyWith(minHeight: height, maxHeight: height),
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