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LibWeb: Move rect-in-coordinate-space helper to Layout::Box

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This commit is contained in:
Andreas Kling 2022-01-23 12:54:20 +01:00
parent 29589378ff
commit 83a6e698a0
Notes: sideshowbarker 2024-07-17 20:21:02 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/83a6e698a03
2 changed files with 16 additions and 16 deletions
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18
Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
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@ -569,20 +569,6 @@ void BlockFormattingContext::layout_initial_containing_block(LayoutMode layout_m
}
}
static Gfx::FloatRect rect_in_coordinate_space(const Box& box, const Box& context_box)
{
Gfx::FloatRect rect = box.margin_box_as_relative_rect();
for (auto* ancestor = box.parent(); ancestor; ancestor = ancestor->parent()) {
if (is<Box>(*ancestor)) {
auto offset = verify_cast<Box>(*ancestor).effective_offset();
rect.translate_by(offset);
}
if (ancestor == &context_box)
break;
}
return rect;
}
void BlockFormattingContext::layout_floating_child(Box& box, BlockContainer const& containing_block)
{
VERIFY(box.is_floating());
@ -601,7 +587,7 @@ void BlockFormattingContext::layout_floating_child(Box& box, BlockContainer cons
// Then we float it to the left or right.
float x = box.effective_offset().x();
auto box_in_root_rect = rect_in_coordinate_space(box, root());
auto box_in_root_rect = box.margin_box_rect_in_ancestor_coordinate_space(root());
float y_in_root = box_in_root_rect.y();
float y = box.effective_offset().y();
@ -615,7 +601,7 @@ void BlockFormattingContext::layout_floating_child(Box& box, BlockContainer cons
side_data.y_offset = 0;
} else {
auto& previous_box = side_data.boxes.last();
auto previous_rect = rect_in_coordinate_space(previous_box, root());
auto previous_rect = previous_box.margin_box_rect_in_ancestor_coordinate_space(root());
auto margin_collapsed_with_previous = max(
second_edge(previous_box.box_model().margin),

14
Userland/Libraries/LibWeb/Layout/Box.h
View file

@ -164,6 +164,20 @@ public:
virtual void before_children_paint(PaintContext&, PaintPhase) override;
virtual void after_children_paint(PaintContext&, PaintPhase) override;
Gfx::FloatRect margin_box_rect_in_ancestor_coordinate_space(Box const& ancestor_box)
{
auto rect = margin_box_as_relative_rect();
for (auto const* current = parent(); current; current = current->parent()) {
if (current == &ancestor_box)
break;
if (is<Box>(*current)) {
auto offset = static_cast<Box const&>(*current).effective_offset();
rect.translate_by(offset);
}
}
return rect;
}
protected:
Box(DOM::Document& document, DOM::Node* node, NonnullRefPtr<CSS::StyleProperties> style)
: NodeWithStyleAndBoxModelMetrics(document, node, move(style))