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LibWeb: Add parent classes for managing GridTrackSizes

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Add classes ExplicitTrackSizing and MetaGridTrackSize which will allow
for managing properties like auto-fill and minmax.

In the following CSS example there are 3 classes that will be used:
grid-template-column: repeat(auto-fill, minmax(50px, 1fr) 75px);

ExplicitTrackSizing - will contain the entire value. e.g.
repeat(auto-fill, minmax(50px, 1fr) 75px)

With a flag if it's a repeat, as well as references to the
MetaGridTrackSizes which is the next step down.

MetaGridTrackSize:
Contain the individual grid track sizes. Here there are two:
minmax(50px, 1fr) as well as 75px.

This way can keep track if it's a minmax function or not, and the
references to both GridTrackSizes in the case it is, or in just the one
if it is not.

GridTrackSize:
Is the most basic element, in this case there are three in total; two of
which are held by the first MetaGridTrackSize, and the third is held by
the second MetaGridTrackSize.
Examples: 50px, 1fr and 75px.
This commit is contained in:
martinfalisse 2022-10-09 19:34:27 +02:00 • committed by Andreas Kling
parent 414a22a386
commit f7af190de0
10 changed files with 144 additions and 54 deletions
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47
Userland/Libraries/LibWeb/CSS/GridTrackSize.cpp
View file

@ -57,4 +57,51 @@ Length GridTrackSize::length() const
return m_length;
}
MetaGridTrackSize::MetaGridTrackSize(GridTrackSize grid_track_size)
: m_min_grid_track_size(grid_track_size)
, m_max_grid_track_size(grid_track_size)
{
}
String MetaGridTrackSize::to_string() const
{
return String::formatted("{}", m_min_grid_track_size.to_string());
}
ExplicitTrackSizing::ExplicitTrackSizing()
{
}
ExplicitTrackSizing::ExplicitTrackSizing(Vector<CSS::MetaGridTrackSize> meta_grid_track_sizes)
: m_meta_grid_track_sizes(meta_grid_track_sizes)
{
}
ExplicitTrackSizing::ExplicitTrackSizing(Vector<CSS::MetaGridTrackSize> meta_grid_track_sizes, int repeat_count)
: m_meta_grid_track_sizes(meta_grid_track_sizes)
, m_is_repeat(true)
, m_repeat_count(repeat_count)
{
}
String ExplicitTrackSizing::to_string() const
{
StringBuilder builder;
if (m_is_repeat) {
builder.append("repeat("sv);
builder.append(m_repeat_count);
builder.append(", "sv);
}
for (int _ = 0; _ < m_repeat_count; ++_) {
for (size_t y = 0; y < m_meta_grid_track_sizes.size(); ++y) {
builder.append(m_meta_grid_track_sizes[y].to_string());
if (y != m_meta_grid_track_sizes.size() - 1)
builder.append(" "sv);
}
}
if (m_is_repeat)
builder.append(")"sv);
return builder.to_string();
}
}