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LibWeb: Measure the overflow for all scroll containers

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Instead of just measuring the layout viewport, we now measure overflow
in every box that is a scroll container.

This has the side effect of no longer creating paintables for layout
boxes that didn't participate in layout. (For example, empty/anonymous
boxes that were ignored by flex itemization.)

Such boxes are now marked as "(not painted)" in the layout tree dumps,
as they have no paintable to dump geometry from.
This commit is contained in:
Andreas Kling 2023-05-29 08:53:39 +02:00
parent b7d2f6fa88
commit caa491b72a
50 changed files with 343 additions and 343 deletions
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9
Userland/Libraries/LibWeb/Layout/LayoutState.h
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@ -112,15 +112,6 @@ struct LayoutState {
CSSPixels border_box_width() const { return border_box_left() + content_width() + border_box_right(); }
CSSPixels border_box_height() const { return border_box_top() + content_height() + border_box_bottom(); }
Optional<Painting::PaintableBox::OverflowData> overflow_data;
Painting::PaintableBox::OverflowData& ensure_overflow_data()
{
if (!overflow_data.has_value())
overflow_data = Painting::PaintableBox::OverflowData {};
return *overflow_data;
}
Optional<LineBoxFragmentCoordinate> containing_line_box_fragment;
void add_floating_descendant(Box const& box) { m_floating_descendants.set(&box); }