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LibWeb: Stop inserting inline nodes into a generated wrapper box

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493dd5d93c caused the `::before`
pseudo-element node to be inserted before the element's content, which
caused issues with how we determine where to insert inline nodes into
the layout tree. At the time, I noticed the issue with contents of flex
containers, and prevented them from merging into a `::before` box.

However, a similar situation happens when we're not in a flex container,
but the pseudo-element has `display: block`. This commit fixes that
situation by using the same logic in both places, so a similar mistake
can't be made again.

This fixes the tab text being invisible on GitHub project pages. :^)
This commit is contained in:
Sam Atkins 2023-10-10 19:27:01 +01:00 • committed by Andreas Kling
parent 068f6771ad
commit 1132c858e9
3 changed files with 40 additions and 10 deletions
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23
Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp
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@ -66,24 +66,27 @@ static bool has_in_flow_block_children(Layout::Node const& layout_node)
static Layout::Node& insertion_parent_for_inline_node(Layout::NodeWithStyle& layout_parent)
{
auto last_child_creating_anonymous_wrapper_if_needed = [](auto& layout_parent) -> Layout::Node& {
if (!layout_parent.last_child()
|| !layout_parent.last_child()->is_anonymous()
|| !layout_parent.last_child()->children_are_inline()
|| layout_parent.last_child()->is_generated()) {
layout_parent.append_child(layout_parent.create_anonymous_wrapper());
}
return *layout_parent.last_child();
};
if (layout_parent.display().is_inline_outside() && layout_parent.display().is_flow_inside())
return layout_parent;
if (layout_parent.display().is_flex_inside() || layout_parent.display().is_grid_inside()) {
if (layout_parent.last_child() && layout_parent.last_child()->is_anonymous() && layout_parent.last_child()->children_are_inline() && !layout_parent.last_child()->is_generated())
return *layout_parent.last_child();
layout_parent.append_child(layout_parent.create_anonymous_wrapper());
return *layout_parent.last_child();
}
if (layout_parent.display().is_flex_inside() || layout_parent.display().is_grid_inside())
return last_child_creating_anonymous_wrapper_if_needed(layout_parent);
if (!has_in_flow_block_children(layout_parent) || layout_parent.children_are_inline())
return layout_parent;
// Parent has block-level children, insert into an anonymous wrapper block (and create it first if needed)
if (!layout_parent.last_child()->is_anonymous() || !layout_parent.last_child()->children_are_inline()) {
layout_parent.append_child(layout_parent.create_anonymous_wrapper());
}
return *layout_parent.last_child();
return last_child_creating_anonymous_wrapper_if_needed(layout_parent);
}
static Layout::Node& insertion_parent_for_block_node(Layout::NodeWithStyle& layout_parent, Layout::Node& layout_node)