RadioButton.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <functional>
#include <string>
 
#include "visualization/gui/Widget.h"
 
namespace cloudViewer {
namespace visualization {
namespace gui {
 
class RadioButton : public Widget {
public:
    enum Type { VERT, HORIZ };
 
    explicit RadioButton(Type type);
    ~RadioButton() override;
 
    void SetItems(const std::vector<std::string>& items);
    int GetSelectedIndex() const;
    const char* GetSelectedValue() const;
    void SetSelectedIndex(int index);
 
    void SetOnSelectionChanged(std::function<void(int)> callback);
 
    Size CalcPreferredSize(const LayoutContext& context,
                           const Constraints& constraints) const override;
 
    DrawResult Draw(const DrawContext& context) override;
 
private:
    struct Impl;
    std::unique_ptr<Impl> impl_;
};
 
}  // namespace gui
}  // namespace visualization
}  // namespace cloudViewer