MenuImgui.h

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// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 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 std::enable_shared_from_this<MenuImgui> {
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;
 
    std::shared_ptr<MenuBase> GetMenu(const char* name) override;
    std::shared_ptr<MenuBase> GetMenu(ItemId item_id) 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