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LibWeb: Change StackingContext::hit_test() to accept callback

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This change modifies hit_test() to no longer return the first paintable
encountered at a specified position. Instead, this function accepts a
callback that is invoked for each paintable located at a position, in
hit-testing order.

This modification will allow us to reuse this call for
`Document.elementsFromPoint()` in upcoming changes.
This commit is contained in:
Aliaksandr Kalenik 2024-02-13 21:34:07 +01:00 • committed by Andreas Kling
parent 15d151ee66
commit 9c99182b1e
11 changed files with 120 additions and 104 deletions
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4
Userland/Libraries/LibWeb/Painting/Paintable.cpp
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@ -98,9 +98,9 @@ bool Paintable::handle_mousewheel(Badge<EventHandler>, CSSPixelPoint, unsigned,
return false;
}
Optional<HitTestResult> Paintable::hit_test(CSSPixelPoint, HitTestType) const
TraversalDecision Paintable::hit_test(CSSPixelPoint, HitTestType, Function<TraversalDecision(HitTestResult)> const&) const
{
return {};
return TraversalDecision::Continue;
}
StackingContext* Paintable::enclosing_stacking_context()