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LibWeb: Don't clip to containing block when painting abspos descendants

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This commit is contained in:
Andreas Kling 2022-09-13 20:45:38 +02:00
parent f941b7aefe
commit 63c727a4a3
10 changed files with 37 additions and 25 deletions
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9
Userland/Libraries/LibWeb/Painting/StackingContext.cpp
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@ -71,7 +71,7 @@ static PaintPhase to_paint_phase(StackingContext::StackingContextPaintPhase phas
void StackingContext::paint_descendants(PaintContext& context, Layout::Node& box, StackingContextPaintPhase phase) const
{
if (auto* paintable = box.paintable())
paintable->before_children_paint(context, to_paint_phase(phase));
paintable->before_children_paint(context, to_paint_phase(phase), Paintable::ShouldClipOverflow::Yes);
box.for_each_child([&](auto& child) {
// If `child` establishes its own stacking context, skip over it.
@ -123,7 +123,7 @@ void StackingContext::paint_descendants(PaintContext& context, Layout::Node& box
});
if (auto* paintable = box.paintable())
paintable->after_children_paint(context, to_paint_phase(phase));
paintable->after_children_paint(context, to_paint_phase(phase), Paintable::ShouldClipOverflow::Yes);
}
void StackingContext::paint_internal(PaintContext& context) const
@ -135,12 +135,13 @@ void StackingContext::paint_internal(PaintContext& context) const
auto paint_child = [&](auto* child) {
auto parent = child->m_box.parent();
auto should_clip_overflow = child->m_box.is_positioned() ? Paintable::ShouldClipOverflow::No : Paintable::ShouldClipOverflow::Yes;
auto* paintable = parent ? parent->paintable() : nullptr;
if (paintable)
paintable->before_children_paint(context, PaintPhase::Foreground);
paintable->before_children_paint(context, PaintPhase::Foreground, should_clip_overflow);
child->paint(context);
if (paintable)
paintable->after_children_paint(context, PaintPhase::Foreground);
paintable->after_children_paint(context, PaintPhase::Foreground, should_clip_overflow);
};
// Draw positioned descendants with negative z-indices (step 3)