#include <psemek/ui/frame.hpp>

namespace psemek::ui
{

	std::shared_ptr<element> frame::set_child(std::shared_ptr<element> c)
	{
		auto old = std::move(child_);
		if (old) old->set_parent(nullptr);

		child_ = std::move(c);
		if (child_) child_->set_parent(this);
		children_[0] = child_.get();

		return old;
	}

	void frame::set_min_size(std::optional<geom::vector<float, 2>> const & size)
	{
		min_size_ = size;
		post_reshape();
	}

	void frame::set_max_size(std::optional<geom::vector<float, 2>> const & size)
	{
		max_size_ = size;
		post_reshape();
	}

	void frame::set_fixed_size(geom::vector<float, 2> const & size)
	{
		min_size_ = size;
		max_size_ = size;
		post_reshape();
	}

	geom::box<float, 2> frame::size_constraints() const
	{
		geom::box<float, 2> r = element::size_constraints();

		if (child_)
			r = child_->size_constraints();

		if (min_size_)
		{
			r[0].min = (*min_size_)[0];
			r[1].min = (*min_size_)[1];
		}

		if (max_size_)
		{
			r[0].max = (*max_size_)[0];
			r[1].max = (*max_size_)[1];
		}

		return r;
	}

}