WidgetStack.h

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// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2023 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <functional>
#include <memory>
 
#include "open3d/visualization/gui/WidgetProxy.h"
 
namespace open3d {
namespace visualization {
namespace gui {
 
class WidgetStack : public WidgetProxy {
public:
    WidgetStack();
    ~WidgetStack() override;
 
    void PushWidget(std::shared_ptr<Widget> widget);
 
    std::shared_ptr<Widget> PopWidget();
 
    void SetOnTop(std::function<void(std::shared_ptr<Widget>)> onTopCallback);
 
private:
    struct Impl;
    std::unique_ptr<Impl> impl_;
};
 
}  // namespace gui
}  // namespace visualization
}  // namespace open3d