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LibWeb: Ignore boxes wholly in the negative scrollable overflow region

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This fixes an issue where https://hey.com/ was horizontally scrollable
even though it shouldn't be.
This commit is contained in:
Andreas Kling 2024-10-08 13:00:27 +02:00 • committed by Andreas Kling
commit 94721385ce
Notes: github-actions[bot] 2024-10-08 12:34:26 +00:00
3 changed files with 23 additions and 4 deletions
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10
Userland/Libraries/LibWeb/Layout/LayoutState.cpp
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@ -105,11 +105,13 @@ static CSSPixelRect measure_scrollable_overflow(Box const& box)
return IterationDecision::Continue;
auto child_border_box = child.paintable_box()->absolute_border_box_rect();
// NOTE: Here we check that the child is not wholly in the negative scrollable overflow region.
if (child_border_box.bottom() > 0 && child_border_box.right() > 0) {
scrollable_overflow_rect = scrollable_overflow_rect.united(child_border_box);
content_overflow_rect = content_overflow_rect.united(child_border_box);
}
if (child_border_box.bottom() < 0 || child_border_box.right() < 0)
return IterationDecision::Continue;
scrollable_overflow_rect = scrollable_overflow_rect.united(child_border_box);
content_overflow_rect = content_overflow_rect.united(child_border_box);
// - The scrollable overflow areas of all of the above boxes
// (including zero-area boxes and accounting for transforms as described above),