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LibWeb: Resolve grid item fixed size paddings in GFC

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Adds support for grid items with fixed size paddings. Supporting
percentage paddings will probably require to do second pass of tracks
layout: second pass is needed to recalculate tracks sizes when final
items sizes are known when percentage paddings are already resolved.
This commit is contained in:
Aliaksandr Kalenik 2023-05-18 22:33:40 +03:00 • committed by Andreas Kling
parent f8d6569841
commit 902ceb1675
4 changed files with 84 additions and 21 deletions
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31
Userland/Libraries/LibWeb/Layout/GridFormattingContext.cpp
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@ -1360,7 +1360,7 @@ void GridFormattingContext::resolve_grid_item_widths()
box_state.border_right = border_right;
auto const& computed_width = item.box().computed_values().width();
auto used_width = computed_width.is_auto() ? (containing_block_width - box_state.border_left - box_state.border_right) : computed_width.to_px(grid_container(), containing_block_width);
auto used_width = computed_width.is_auto() ? (containing_block_width - box_state.border_left - box_state.border_right - box_state.padding_left - box_state.padding_right) : computed_width.to_px(grid_container(), containing_block_width);
box_state.set_content_width(used_width);
}
}
@ -1378,7 +1378,7 @@ void GridFormattingContext::resolve_grid_item_heights()
box_state.border_bottom = border_bottom;
auto const& computed_height = item.box().computed_values().height();
auto used_height = computed_height.is_auto() ? (containing_block_height - box_state.border_top - box_state.border_bottom) : computed_height.to_px(grid_container(), containing_block_height);
auto used_height = computed_height.is_auto() ? (containing_block_height - box_state.border_top - box_state.border_bottom - box_state.padding_top - box_state.padding_bottom) : computed_height.to_px(grid_container(), containing_block_height);
box_state.set_content_height(used_height);
}
}
@ -1404,6 +1404,19 @@ void GridFormattingContext::run(Box const& box, LayoutMode, AvailableSpace const
box_state.set_indefinite_content_width();
if (!computed_values.height().is_length())
box_state.set_indefinite_content_height();
// NOTE: It is ok to use 0 containing block size to resolve paddings on the first pass when grid areas sizes
// are not known yet.
// FIXME: Do second pass of tracks layout to resolve percentage paddings
box_state.padding_top = computed_values.padding().top().to_px(grid_container(), 0);
box_state.padding_right = computed_values.padding().right().to_px(grid_container(), 0);
box_state.padding_bottom = computed_values.padding().bottom().to_px(grid_container(), 0);
box_state.padding_left = computed_values.padding().left().to_px(grid_container(), 0);
box_state.border_top = computed_values.border_top().width;
box_state.border_right = computed_values.border_right().width;
box_state.border_bottom = computed_values.border_bottom().width;
box_state.border_left = computed_values.border_left().width;
}
run_track_sizing(available_space, GridDimension::Column);
@ -1441,7 +1454,7 @@ void GridFormattingContext::run(Box const& box, LayoutMode, AvailableSpace const
y_end += m_grid_rows_and_gaps[i].base_size;
}
child_box_state.offset = { x_start + child_box_state.border_left, y_start + child_box_state.border_top };
child_box_state.offset = { x_start + child_box_state.border_left + child_box_state.padding_left, y_start + child_box_state.border_top + child_box_state.padding_top };
auto available_space_for_children = AvailableSpace(AvailableSize::make_definite(child_box_state.content_width()), AvailableSize::make_definite(child_box_state.content_height()));
if (auto independent_formatting_context = layout_inside(child_box, LayoutMode::Normal, available_space_for_children))
@ -1690,12 +1703,12 @@ CSSPixels GridFormattingContext::calculate_min_content_contribution(GridItem con
}();
if (should_treat_preferred_size_as_auto) {
return item.add_border_box_sizes(calculate_min_content_size(item, dimension), dimension);
return item.add_border_box_sizes(calculate_min_content_size(item, dimension), dimension, m_state);
}
auto preferred_size = get_item_preferred_size(item, dimension);
auto containing_block_size = containing_block_size_for_item(item, dimension);
return item.add_border_box_sizes(preferred_size.to_px(grid_container(), containing_block_size), dimension);
return item.add_border_box_sizes(preferred_size.to_px(grid_container(), containing_block_size), dimension, m_state);
}
CSSPixels GridFormattingContext::calculate_max_content_contribution(GridItem const& item, GridDimension const dimension) const
@ -1709,12 +1722,12 @@ CSSPixels GridFormattingContext::calculate_max_content_contribution(GridItem con
}();
if (should_treat_preferred_size_as_auto) {
return item.add_border_box_sizes(calculate_max_content_size(item, dimension), dimension);
return item.add_border_box_sizes(calculate_max_content_size(item, dimension), dimension, m_state);
}
auto preferred_size = get_item_preferred_size(item, dimension);
auto containing_block_size = containing_block_size_for_item(item, dimension);
return item.add_border_box_sizes(preferred_size.to_px(grid_container(), containing_block_size), dimension);
return item.add_border_box_sizes(preferred_size.to_px(grid_container(), containing_block_size), dimension, m_state);
}
CSSPixels GridFormattingContext::calculate_limited_min_content_contribution(GridItem const& item, GridDimension const dimension) const
@ -1799,7 +1812,7 @@ CSSPixels GridFormattingContext::automatic_minimum_size(GridItem const& item, Gr
// FIXME: Check all tracks spanned by an item
auto item_spans_auto_tracks = tracks[item_track_index].min_track_sizing_function.is_auto();
if (item_spans_auto_tracks && !item.box().is_scroll_container()) {
return item.add_border_box_sizes(content_based_minimum_size(item, dimension), dimension);
return item.add_border_box_sizes(content_based_minimum_size(item, dimension), dimension, m_state);
}
// Otherwise, the automatic minimum size is zero, as usual.
@ -1827,7 +1840,7 @@ CSSPixels GridFormattingContext::calculate_minimum_contribution(GridItem const&
if (minimum_size.is_auto())
return automatic_minimum_size(item, dimension);
auto containing_block_size = containing_block_size_for_item(item, dimension);
return item.add_border_box_sizes(minimum_size.to_px(grid_container(), containing_block_size), dimension);
return item.add_border_box_sizes(minimum_size.to_px(grid_container(), containing_block_size), dimension, m_state);
}
return calculate_min_content_contribution(item, dimension);