list.h

#ifndef LIST_H
#define LIST_H

#include <QObject>
#include <QVector>

class List : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QString name READ name WRITE setname NOTIFY nameChanged)
    Q_PROPERTY(int completed READ completed WRITE setcompleted NOTIFY completedChanged)
    Q_PROPERTY(int uncompleted READ uncompleted WRITE setuncompleted NOTIFY uncompletedChanged)
public:
    explicit List(QObject *parent = nullptr);
    List(QString n, QObject *parent = nullptr);

    Q_INVOKABLE void addNewItem(QString itemName);

    QString name() const;
    void setname(const QString &value);

    int completed() const;
    void setcompleted(int value);

    int uncompleted() const;
    void setuncompleted(int value);

signals:
    void nameChanged();
    void completedChanged();
    void uncompletedChanged();
    void itemAdded();
    void itemFinished();

private:
    QString m_name;
    QStringList m_tasks;
    QVector<bool> m_finished;
    int m_completed;
    int m_uncompleted;
};

#endif // LIST_H