Tab.h

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// Copyright (c) 2025 Dave R. Smith.
// Malena Framework — Licensed under PolyForm Noncommercial 1.0.0; commercial use requires a paid license. See LICENSE.
 
#ifndef MALENA_TAB_H
#define MALENA_TAB_H
 
#pragma once
 
#include <Malena/Core/malena_export.h>
#include <Malena/Core/Core.h>
#include <Malena/Utilities/HasSetSize.h>
#include <SFML/Graphics/Texture.hpp>
#include <SFML/System/Vector2.hpp>
#include <functional>
#include <memory>
#include <string>
#include <type_traits>
 
namespace ml
{
    class MALENA_API Tab
    {
    public:
        std::string                       label;
        std::unique_ptr<ml::Core>         content;
        std::function<void(sf::Vector2f)> resizeFn;
        const sf::Texture*                icon      = nullptr;
        bool                              closeable = false;
        float                             x         = 0.f;   
        float                             width     = 0.f;   

        template<typename T>
        Tab(const std::string& label, std::unique_ptr<T> content,
            const sf::Texture* icon = nullptr, bool closeable = false)
        : label(label), icon(icon), closeable(closeable)
        {
            static_assert(std::is_base_of_v<ml::Core, T>,
                "[Malena] Tab content must derive from ml::Core");
            T* ptr = content.get();
            this->content = std::move(content);
            if constexpr (detail::has_setSize<T>::value)
                resizeFn = [ptr](sf::Vector2f sz){ ptr->setSize(sz); };
        }
 
        void setLabel(const std::string& l)    { label     = l; }
        void setIcon(const sf::Texture* icon_) { icon      = icon_; }
        void setCloseable(bool c)              { closeable = c; }
    };
 
} // namespace ml
 
#endif // MALENA_TAB_H