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LibWeb: Pass current target box to BFC::run()

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The BFC "context box" is now the outer box of the block formatting
context. Previously the context box was always the current target box,
which made it hard to reason about who was really the containing block
of whom in various places.

Note that IFC still has the containing block as its context box, this
change only affects BFC. However, to clarify the situation in IFC,
I've added a containing_block() getter than returns the context_box().
This commit is contained in:
Andreas Kling 2020-12-06 19:48:02 +01:00
parent b638e74b68
commit 59de4adb60
14 changed files with 138 additions and 156 deletions
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18
Libraries/LibWeb/Layout/BlockFormattingContext.h
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@ -37,7 +37,7 @@ public:
explicit BlockFormattingContext(Box&, FormattingContext* parent);
~BlockFormattingContext();
virtual void run(LayoutMode) override;
virtual void run(Box&, LayoutMode) override;
bool is_initial() const;
@ -55,16 +55,16 @@ private:
void compute_width_for_floating_box(Box&);
void layout_initial_containing_block(LayoutMode);
void layout_block_level_children(LayoutMode);
void layout_inline_children(LayoutMode);
void layout_absolutely_positioned_descendants();
void layout_floating_children();
void place_block_level_replaced_element_in_normal_flow(Box&);
void place_block_level_non_replaced_element_in_normal_flow(Box&);
void layout_block_level_children(Box&, LayoutMode);
void layout_inline_children(Box&, LayoutMode);
void layout_floating_children(Box&);
void layout_absolutely_positioned_descendant(Box&);
void layout_floating_child(Box&);
void place_block_level_replaced_element_in_normal_flow(Box& child, Box& container);
void place_block_level_non_replaced_element_in_normal_flow(Box& child, Box& container);
void layout_absolutely_positioned_child(Box&);
void layout_floating_child(Box&, Box& containing_block);
Vector<Box*> m_left_floating_boxes;
Vector<Box*> m_right_floating_boxes;