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LibWeb: Calculate edge of containing block correctly when floating right

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This commit is contained in:
Andreas Kling 2022-02-21 20:39:30 +01:00
parent f21a0bf437
commit 8c2a4a2a3d
1 changed files with 10 additions and 9 deletions
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19
Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
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@ -572,22 +572,23 @@ void BlockFormattingContext::layout_floating_child(Box const& box, BlockContaine
auto float_box = [&](FloatSide side, FloatSideData& side_data) {
auto first_edge = [&](FormattingState::NodeState const& thing) { return side == FloatSide::Left ? thing.margin_left : thing.margin_right; };
auto second_edge = [&](FormattingState::NodeState const& thing) { return side == FloatSide::Right ? thing.margin_left : thing.margin_right; };
auto first_edge_of_margin_box = [&](FormattingState::NodeState const& thing) { return side == FloatSide::Left ? thing.margin_box_left() : thing.margin_box_right(); };
auto edge_of_containing_block = [&] {
if (side == FloatSide::Left)
return box_state.margin_box_left();
return containing_block_content_width - box_state.margin_box_right() - box_state.content_width;
};
// Then we float it to the left or right.
float x = box_state.offset.x();
auto box_in_root_rect = margin_box_rect_in_ancestor_coordinate_space(box, root(), m_state);
float y_in_root = box_in_root_rect.y();
float x = 0;
float y = box_state.offset.y();
if (side_data.boxes.is_empty()) {
// This is the first floating box on this side. Go all the way to the edge.
if (side == FloatSide::Left)
x = box_state.margin_box_left();
else
x = containing_block_content_width - box_state.margin_box_right() - box_state.content_width;
x = edge_of_containing_block();
side_data.y_offset = 0;
} else {
auto& previous_box = side_data.boxes.last();
@ -625,15 +626,15 @@ void BlockFormattingContext::layout_floating_child(Box const& box, BlockContaine
// This box touches another already floating box. Stack after others.
x = wanted_x;
} else {
// This box does not touch another floating box, go all the way to the first edge.
x = first_edge_of_margin_box(box_state);
// This box does not touch another floating box, go all the way to the edge.
x = edge_of_containing_block();
// Also, forget all previous boxes floated to this side while since they're no longer relevant.
side_data.boxes.clear();
}
} else {
// We ran out of horizontal space on this "float line", and need to break.
x = first_edge_of_margin_box(box_state);
x = edge_of_containing_block();
float lowest_border_edge = 0;
for (auto const& box : side_data.boxes) {
auto const& box_state = m_state.get(box);