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LibWeb/Layout: Add support for grid-auto-flow in GFC

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Aliaksandr Kalenik 2023-08-17 20:25:51 +02:00 • committed by Alexander Kalenik
parent 703c2bb06e
commit 37f5253ec9
3 changed files with 38 additions and 3 deletions
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12
Userland/Libraries/LibWeb/Layout/GridFormattingContext.cpp
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@ -534,6 +534,8 @@ void GridFormattingContext::place_item_with_no_declared_position(Box const& chil
row_span = child_box.computed_values().grid_row_end().raw_value();
auto found_unoccupied_area = false;
auto const& auto_flow = grid_container().computed_values().grid_auto_flow();
while (true) {
while (auto_placement_cursor_x <= m_occupation_grid.max_column_index()) {
if (auto_placement_cursor_x + static_cast<int>(column_span) <= m_occupation_grid.max_column_index() + 1) {
@ -562,9 +564,13 @@ void GridFormattingContext::place_item_with_no_declared_position(Box const& chil
// row position (creating new rows in the implicit grid as necessary), set its column position to the
// start-most column line in the implicit grid, and return to the previous step.
if (!found_unoccupied_area) {
auto_placement_cursor_x = m_occupation_grid.min_column_index();
auto_placement_cursor_y++;
row_start = auto_placement_cursor_y;
if (auto_flow.row) {
auto_placement_cursor_x = m_occupation_grid.min_column_index();
auto_placement_cursor_y++;
} else {
m_occupation_grid.set_max_column_index(auto_placement_cursor_x);
auto_placement_cursor_y = m_occupation_grid.min_row_index();
}
}
}