ListView.h

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#pragma once

#include <functional>
#include <string>

#include "open3d/visualization/gui/Widget.h"

namespace open3d {
namespace visualization {
namespace gui {

class ListView : public Widget {
    using Super = Widget;

public:
    ListView();
    virtual ~ListView();

    void SetItems(const std::vector<std::string>& items);

    int GetSelectedIndex() const;
    const char* GetSelectedValue() const;
    void SetSelectedIndex(int index);
    void SetMaxVisibleItems(int num);

    Size CalcPreferredSize(const LayoutContext& context,
                           const Constraints& constraints) const override;

    Size CalcMinimumSize(const LayoutContext& context) const override;

    DrawResult Draw(const DrawContext& context) override;

    void SetOnValueChanged(
            std::function<void(const char*, bool)> on_value_changed);

private:
    struct Impl;
    std::unique_ptr<Impl> impl_;
};

}  // namespace gui
}  // namespace visualization
}  // namespace open3d