recentfiles.h

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/*
    Copyright 2006-2019 The QElectroTech Team
    This file is part of QElectroTech.
    
    QElectroTech is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.
    
    QElectroTech is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    
    You should have received a copy of the GNU General Public License
    along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef RECENT_FILES_H
#define RECENT_FILES_H
#include <QtCore>
#include <QIcon>
class QMenu;
class RecentFiles : public QObject {
    Q_OBJECT
    
    // constructors, destructor
    public:
    RecentFiles(const QString &, int = 10, QObject * = nullptr);
    ~RecentFiles() override;
    private:
    RecentFiles(const RecentFiles &);
    
    // methods
    public:
    int size() const;
    QMenu *menu() const;
    QIcon iconForFiles() const;
    void setIconForFiles(const QIcon &);
    
    public slots:
    void clear();
    void save();
    void fileWasOpened(const QString &);
    
    signals:
    void fileOpeningRequested(const QString &);
    
    private:
    void extractFilesFromSettings();
    void insertFile(const QString &);
    void saveFilesToSettings();
    void buildMenu();
    
    private slots:
    void handleMenuRequest(const QString &);
    
    // attributes
    private:
    QString identifier_;
    int size_;
    QList<QString> list_;
    QMenu *menu_;
    QSignalMapper *mapper_;
    QIcon files_icon_;
};
#endif