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LibWeb: Rename the LayoutMode enum values and explain them

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The old mode names, while mechanically accurate, didn't really reflect
their relationship to the CSS specifications.

This patch renames them as follows:

    Default => Normal
    AllPossibleLineBreaks => MinContent
    OnlyRequiredLineBreaks => MaxContent

There's also now an explainer comment with the LayoutMode enum about the
specific implications of layout in each mode.
This commit is contained in:
Andreas Kling 2022-03-19 15:44:02 +01:00
parent ceb055a75e
commit c1f0d21bbe
10 changed files with 43 additions and 32 deletions
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14
Userland/Libraries/LibWeb/Layout/BlockFormattingContext.cpp
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@ -224,13 +224,13 @@ void BlockFormattingContext::compute_width_for_floating_box(Box const& box, Layo
float width_of_containing_block = 0;
switch (layout_mode) {
case LayoutMode::Default:
case LayoutMode::Normal:
width_of_containing_block = m_state.get(containing_block).content_width;
break;
case LayoutMode::AllPossibleLineBreaks:
case LayoutMode::MinContent:
width_of_containing_block = 0;
break;
case LayoutMode::OnlyRequiredLineBreaks:
case LayoutMode::MaxContent:
width_of_containing_block = INFINITY;
break;
}
@ -408,7 +408,7 @@ void BlockFormattingContext::layout_block_level_children(BlockContainer const& b
return IterationDecision::Continue;
});
if (layout_mode != LayoutMode::Default) {
if (layout_mode != LayoutMode::Normal) {
auto& width = block_container.computed_values().width();
if (!width.has_value() || (width->is_length() && width->length().is_auto())) {
auto& block_container_state = m_state.get_mutable(block_container);
@ -559,13 +559,13 @@ void BlockFormattingContext::layout_floating_box(Box const& box, BlockContainer
float width_of_containing_block = 0;
switch (layout_mode) {
case LayoutMode::Default:
case LayoutMode::Normal:
width_of_containing_block = m_state.get(containing_block).content_width;
break;
case LayoutMode::AllPossibleLineBreaks:
case LayoutMode::MinContent:
width_of_containing_block = 0;
break;
case LayoutMode::OnlyRequiredLineBreaks:
case LayoutMode::MaxContent:
width_of_containing_block = INFINITY;
break;
}