72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
#include <psemek/ui/container_impl.hpp>
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namespace psemek::ui
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{
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element::children_range container_impl::children() const
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{
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return element::children_range{children_range_.data(), children_range_.data() + children_range_.size()};
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}
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std::size_t container_impl::size() const
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{
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return children_.size();
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}
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std::size_t container_impl::add(std::shared_ptr<element> c)
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{
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std::size_t index = 0;
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while (index < children_.size() && children_[index]) ++index;
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add(std::move(c), index);
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return index;
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}
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void container_impl::add(std::shared_ptr<element> c, std::size_t index)
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{
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if (index >= children_.size())
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{
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children_.resize(index + 1);
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children_range_.resize(index + 1);
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}
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children_[index] = std::move(c);
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if (children_[index]) children_[index]->set_parent(parent_);
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children_range_[index] = children_[index].get();
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}
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element * container_impl::get(std::size_t index) const
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{
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if (index < children_.size())
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return children_[index].get();
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return nullptr;
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}
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std::optional<std::size_t> container_impl::find(element * c) const
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{
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for (std::size_t i = 0; i < children_.size(); ++i)
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{
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if (children_[i].get() == c)
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return i;
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}
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return std::nullopt;
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}
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std::shared_ptr<element> container_impl::remove(element * c)
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{
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if (auto i = find(c))
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return remove(*i);
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return nullptr;
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}
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std::shared_ptr<element> container_impl::remove(std::size_t index)
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{
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if (index >= children_.size())
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return nullptr;
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auto c = std::move(children_[index]);
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children_range_[index] = nullptr;
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if (c) c->set_parent(nullptr);
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return c;
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}
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}
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