91 lines
1.7 KiB
C++
91 lines
1.7 KiB
C++
#include <psemek/ui/frame.hpp>
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#include <psemek/ui/null_shape.hpp>
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namespace psemek::ui
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{
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void frame::set_min_size(std::optional<math::vector<float, 2>> const & size)
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{
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min_size_ = size;
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post_reshape();
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}
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void frame::set_max_size(std::optional<math::vector<float, 2>> const & size)
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{
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max_size_ = size;
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post_reshape();
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}
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void frame::set_fixed_size(math::vector<float, 2> const & size)
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{
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min_size_ = size;
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max_size_ = size;
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post_reshape();
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}
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shape const & frame::shape() const
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{
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static null_shape const fallback;
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if (child_)
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return child_->shape();
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return fallback;
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}
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void frame::reshape(math::box<float, 2> const & box)
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{
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if (child_)
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child_->reshape(box);
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}
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math::box<float, 2> frame::size_constraints() const
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{
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auto sc = element::size_constraints();
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if (child_)
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sc = child_->size_constraints();
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if (min_size_)
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{
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sc[0].min = std::max(sc[0].min, (*min_size_)[0]);
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sc[1].min = std::max(sc[1].min, (*min_size_)[1]);
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}
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if (max_size_)
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{
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sc[0].max = std::min(sc[0].max, (*max_size_)[0]);
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sc[1].max = std::min(sc[1].max, (*max_size_)[1]);
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}
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return sc;
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}
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math::interval<float> frame::width_constraints(float height) const
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{
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auto wc = element::width_constraints(height);
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if (child_)
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wc = child_->width_constraints(height);
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if (min_size_)
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wc.min = std::max(wc.min, (*min_size_)[0]);
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if (max_size_)
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wc.max = std::min(wc.max, (*max_size_)[0]);
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return wc;
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}
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math::interval<float> frame::height_constraints(float width) const
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{
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auto wc = element::height_constraints(width);
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if (child_)
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wc = child_->height_constraints(width);
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if (min_size_)
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wc.min = std::max(wc.min, (*min_size_)[1]);
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if (max_size_)
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wc.max = std::min(wc.max, (*max_size_)[1]);
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return wc;
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}
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}
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