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Add ui::frame::width/height_constraints

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This commit is contained in:
Nikita Lisitsa 2022-05-16 12:10:21 +03:00
parent 9a2c562eec
commit 62cfba7711
2 changed files with 32 additions and 0 deletions
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2
libs/ui/include/psemek/ui/frame.hpp
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@ -18,6 +18,8 @@ namespace psemek::ui
struct shape const & shape() const override;
void reshape(geom::box<float, 2> const & box) override;
geom::box<float, 2> size_constraints() const override;
geom::interval<float> width_constraints(float height) const override;
geom::interval<float> height_constraints(float width) const override;
void draw(painter &) const override {}

30
libs/ui/source/frame.cpp
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@ -58,4 +58,34 @@ namespace psemek::ui
return sc;
}
geom::interval<float> frame::width_constraints(float height) const
{
auto wc = element::width_constraints(height);
if (child_)
wc = child_->width_constraints(height);
if (min_size_)
wc.min = std::max(wc.min, (*min_size_)[0]);
if (max_size_)
wc.max = std::min(wc.max, (*max_size_)[0]);
return wc;
}
geom::interval<float> frame::height_constraints(float width) const
{
auto wc = element::height_constraints(width);
if (child_)
wc = child_->height_constraints(width);
if (min_size_)
wc.min = std::max(wc.min, (*min_size_)[1]);
if (max_size_)
wc.max = std::min(wc.max, (*max_size_)[1]);
return wc;
}
}