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LibWeb: Treat grid items with z-index != auto as positioned elements
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5 changed files with 33 additions and 1 deletions
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@ -27,6 +27,16 @@ void Paintable::visit_edges(Cell::Visitor& visitor)
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visitor.visit(m_containing_block.value());
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}
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bool Paintable::is_positioned() const
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{
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if (layout_node().is_grid_item() && computed_values().z_index().has_value()) {
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// https://www.w3.org/TR/css-grid-2/#z-order
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// grid items with z_index should behave as if position were "relative"
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return true;
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}
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return computed_values().position() != CSS::Position::Static;
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}
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void Paintable::set_dom_node(JS::GCPtr<DOM::Node> dom_node)
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{
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m_dom_node = dom_node;
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@ -56,7 +56,7 @@ class Paintable
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public:
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virtual ~Paintable() = default;
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[[nodiscard]] bool is_positioned() const { return layout_node().is_positioned(); }
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[[nodiscard]] bool is_positioned() const;
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[[nodiscard]] bool is_fixed_position() const { return layout_node().is_fixed_position(); }
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[[nodiscard]] bool is_absolutely_positioned() const { return layout_node().is_absolutely_positioned(); }
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[[nodiscard]] bool is_floating() const { return layout_node().is_floating(); }
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