SceneItemRegistry.h

Go to the documentation of this file.

// Copyright 2015 - 2026, GIBIS-UNIFESP and the wiRedPanda contributors
// SPDX-License-Identifier: GPL-3.0-or-later

 
#pragma once
 
#include <QHash>
 
class ItemWithId;

class SceneItemRegistry
{
public:
    ~SceneItemRegistry();

    [[nodiscard]] ItemWithId *itemById(int id) const;

    [[nodiscard]] bool contains(int id) const;

    int lastId() const;

    void setLastId(int newLastId);

    int nextId();

    void updateItemId(ItemWithId *item, int newId);

    void forgetItemId(int id);

    void registerItem(ItemWithId *item);

    void unregisterItem(ItemWithId *item);

    void forget(ItemWithId *item);
 
private:
    QHash<int, ItemWithId *> m_elementRegistry;
    int m_lastId = 0;
};