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LibWeb: Move hit testing to the painting tree

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This commit is contained in:
Andreas Kling 2022-03-11 00:03:28 +01:00
parent ba606d9057
commit 5779a910e5
18 changed files with 196 additions and 172 deletions
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14
Userland/Libraries/LibWeb/Painting/StackingContext.cpp
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@ -157,7 +157,7 @@ void StackingContext::paint(PaintContext& context) const
}
}
Layout::HitTestResult StackingContext::hit_test(const Gfx::IntPoint& position, Layout::HitTestType type) const
HitTestResult StackingContext::hit_test(Gfx::IntPoint const& position, HitTestType type) const
{
// NOTE: Hit testing basically happens in reverse painting order.
// https://www.w3.org/TR/CSS22/visuren.html#z-index
@ -172,11 +172,11 @@ Layout::HitTestResult StackingContext::hit_test(const Gfx::IntPoint& position, L
return result;
}
Layout::HitTestResult result;
HitTestResult result;
// 6. the child stacking contexts with stack level 0 and the positioned descendants with stack level 0.
m_box.for_each_in_subtree_of_type<Layout::Box>([&](Layout::Box const& box) {
if (box.is_positioned() && !box.paint_box()->stacking_context()) {
result = box.hit_test(position, type);
result = box.paint_box()->hit_test(position, type);
if (result.paintable)
return IterationDecision::Break;
}
@ -187,7 +187,7 @@ Layout::HitTestResult StackingContext::hit_test(const Gfx::IntPoint& position, L
// 5. the in-flow, inline-level, non-positioned descendants, including inline tables and inline blocks.
if (m_box.children_are_inline() && is<Layout::BlockContainer>(m_box)) {
auto result = m_box.hit_test(position, type);
auto result = m_box.paint_box()->hit_test(position, type);
if (result.paintable)
return result;
}
@ -195,7 +195,7 @@ Layout::HitTestResult StackingContext::hit_test(const Gfx::IntPoint& position, L
// 4. the non-positioned floats.
m_box.for_each_in_subtree_of_type<Layout::Box>([&](Layout::Box const& box) {
if (box.is_floating()) {
result = box.hit_test(position, type);
result = box.paint_box()->hit_test(position, type);
if (result.paintable)
return IterationDecision::Break;
}
@ -206,7 +206,7 @@ Layout::HitTestResult StackingContext::hit_test(const Gfx::IntPoint& position, L
if (!m_box.children_are_inline()) {
m_box.for_each_in_subtree_of_type<Layout::Box>([&](Layout::Box const& box) {
if (!box.is_absolutely_positioned() && !box.is_floating()) {
result = box.hit_test(position, type);
result = box.paint_box()->hit_test(position, type);
if (result.paintable)
return IterationDecision::Break;
}
@ -228,7 +228,7 @@ Layout::HitTestResult StackingContext::hit_test(const Gfx::IntPoint& position, L
// 1. the background and borders of the element forming the stacking context.
if (m_box.paint_box()->absolute_border_box_rect().contains(position.to_type<float>())) {
return Layout::HitTestResult {
return HitTestResult {
.paintable = m_box.paintable(),
};
}