recentfiles.h

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/*
        Copyright 2006-2020 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