Program Listing for File Layout.h

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/*
 * Copyright (c) 2024-2026 Karana Dynamics Pty Ltd. All rights reserved.
 *
 * NOTICE TO USER:
 *
 * This source code and/or documentation (the "Licensed Materials") is
 * the confidential and proprietary information of Karana Dynamics Inc.
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 * of a separate software license agreement between Karana Dynamics and the
 * Licensee ("License Agreement"). Unless expressly permitted under that
 * agreement, any reproduction, modification, distribution, or disclosure
 * of the Licensed Materials, in whole or in part, to any third party
 * without the prior written consent of Karana Dynamics is strictly prohibited.
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 * Any use of the Licensed Materials in individual or commercial software must
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#pragma once

#include "Karana/WebUI/Router.h"
#include "Karana/WebUI/Widget.h"
#include <memory>
#include <optional>

namespace Karana::WebUI {
    /**
     * @class Layout
     * @brief Simple container for widgets
     */
    class Layout : public Widget {
      public:
        /**
         * @brief Layout constructor
         * @param router Used to establish the frontend connection
         * @param style Map of camelCase css properties for the widget
         */
        Layout(Router &router, const StyleMap &style = {});

        /**
         * @brief Layout destructor
         */
        virtual ~Layout();

        /**
         * @brief Add a widget as a child DOM element
         * @param widget The widget to add
         */
        void addChild(const Widget &widget);

      protected:
        virtual void _onConnect(int client_id) override;

      private:
        std::unique_ptr<struct LayoutState> _state;
    };
} // namespace Karana::WebUI