gui_registry.hpp

#ifndef LXGUI_GUI_REGISTRY_HPP
#define LXGUI_GUI_REGISTRY_HPP
 
#include "lxgui/lxgui.hpp"
#include "lxgui/utils_observer.hpp"
 
#include <string>
#include <string_view>
#include <unordered_map>
 
namespace lxgui::gui {
 
class region;
 
class registry {
public:
    registry()          = default;
    virtual ~registry() = default;
 
    registry(const registry&) = default;
    registry(registry&&)      = default;
    registry& operator=(const registry&) = default;
    registry& operator=(registry&&) = default;
 
    bool check_region_name(std::string_view name) const;
 
    bool add_region(utils::observer_ptr<region> obj);
 
    void remove_region(const region& obj);
 
    utils::observer_ptr<const region> get_region_by_name(std::string_view name) const;
 
    utils::observer_ptr<region> get_region_by_name(std::string_view name) {
        return utils::const_pointer_cast<region>(
            const_cast<const registry*>(this)->get_region_by_name(name));
    }
 
private:
    template<typename T>
    using string_map = std::unordered_map<std::string, T>;
 
    string_map<utils::observer_ptr<region>> named_object_list_;
};
 
} // namespace lxgui::gui
 
#endif