// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2023 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------

#pragma once

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

namespace open3d {
namespace visualization {
namespace gui {

class MenuImgui : public MenuBase {
public:
    MenuImgui();
    virtual ~MenuImgui();

    void AddItem(const char* name,
                 ItemId item_id = NO_ITEM,
                 KeyName key = KEY_NONE) override;
    void AddMenu(const char* name, std::shared_ptr<MenuBase> submenu) override;
    void AddSeparator() override;

    void InsertItem(int index,
                    const char* name,
                    ItemId item_id = NO_ITEM,
                    KeyName key = KEY_NONE) override;
    void InsertMenu(int index,
                    const char* name,
                    std::shared_ptr<MenuBase> submenu) override;
    void InsertSeparator(int index) override;

    int GetNumberOfItems() const override;

    bool IsEnabled(ItemId item_id) const override;
    void SetEnabled(ItemId item_id, bool enabled) override;

    bool IsChecked(ItemId item_id) const override;
    void SetChecked(ItemId item_id, bool checked) override;

    int CalcHeight(const Theme& theme) const override;

    bool CheckVisibilityChange() const override;

    ItemId DrawMenuBar(const DrawContext& context, bool is_enabled) override;
    ItemId Draw(const DrawContext& context,
                const char* name,
                bool is_enabled) override;

    void* GetNativePointer() override;

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

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