spacer_widget.hpp

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// Copyright Take Vos 2022.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
 
#pragma once
 
#include "widget.hpp"
 
namespace hi { inline namespace v1 {
 
class spacer_widget final : public widget {
public:
    using super = widget;
 
    spacer_widget(widget *parent) noexcept : super(parent) {}
 
    [[nodiscard]] generator<widget const &> children(bool include_invisible) const noexcept override
    {
        co_return;
    }
 
    [[nodiscard]] box_constraints update_constraints() noexcept override
    {
        _layout = {};
 
        auto r = box_constraints{};
        r.maximum = extent2i::large();
        return r;
    }
 
    void set_layout(widget_layout const& context) noexcept override
    {
        _layout = context;
    }
 
    void draw(draw_context const& context) noexcept override {}
 
    [[nodiscard]] hitbox hitbox_test(point2i position) const noexcept override
    {
        return hitbox{};
    }
};
 
}} // namespace hi::v1