- Qt 5.5
- Qt Network
- Torrent Example
- mainwindow.h Example File
- Qt 5.5.1 Reference Documentation

# mainwindow.h Example File

torrent/mainwindow.h

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
    ** "Redistribution and use in source and binary forms, with or without
    ** modification, are permitted provided that the following conditions are
    ** met:
    **   * Redistributions of source code must retain the above copyright
    **     notice, this list of conditions and the following disclaimer.
    **   * Redistributions in binary form must reproduce the above copyright
    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
    **     distribution.
    **   * Neither the name of The Qt Company Ltd nor the names of its
    **     contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
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    **
    ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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    #ifndef MAINWINDOW_H
    #define MAINWINDOW_H

    #include <QList>
    #include <QStringList>
    #include <QMainWindow>

    #include "torrentclient.h"

    class QAction;
    class QCloseEvent;
    class QLabel;
    class QProgressDialog;
    class QSlider;

    class TorrentView;

    class MainWindow : public QMainWindow
    {
        Q_OBJECT

    public:
        MainWindow(QWidget *parent = 0);

        QSize sizeHint() const Q_DECL_OVERRIDE;
        const TorrentClient *clientForRow(int row) const;

    protected:
        void closeEvent(QCloseEvent *event) Q_DECL_OVERRIDE;

    private slots:
        void loadSettings();
        void saveSettings();

        bool addTorrent();
        void removeTorrent();
        void pauseTorrent();
        void moveTorrentUp();
        void moveTorrentDown();

        void torrentStopped();
        void torrentError(TorrentClient::Error error);

        void updateState(TorrentClient::State state);
        void updatePeerInfo();
        void updateProgress(int percent);
        void updateDownloadRate(int bytesPerSecond);
        void updateUploadRate(int bytesPerSecond);

        void setUploadLimit(int bytes);
        void setDownloadLimit(int bytes);

        void about();
        void setActionsEnabled();
        void acceptFileDrop(const QString &fileName);

    private:
        int rowOfClient(TorrentClient *client) const;
        bool addTorrent(const QString &fileName, const QString &destinationFolder,
                        const QByteArray &resumeState = QByteArray());

        TorrentView *torrentView;
        QAction *pauseTorrentAction;
        QAction *removeTorrentAction;
        QAction *upActionTool;
        QAction *downActionTool;
        QSlider *uploadLimitSlider;
        QSlider *downloadLimitSlider;
        QLabel *uploadLimitLabel;
        QLabel *downloadLimitLabel;

        int uploadLimit;
        int downloadLimit;

        struct Job {
            TorrentClient *client;
            QString torrentFileName;
            QString destinationDirectory;
        };
        QList<Job> jobs;
        int jobsStopped;
        int jobsToStop;

        QString lastDirectory;
        QProgressDialog *quitDialog;

        bool saveChanges;
    };

    #endif