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# mainwindow.h Example File
network/torrent/mainwindow.h

    /****************************************************************************
    **
    ** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
    **
    ** This file is part of the example classes of the Qt Toolkit.
    **
    ** Licensees holding valid Qt Preview licenses may use this file in
    ** accordance with the Qt Preview License Agreement provided with the
    ** Software.
    **
    ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
    ** information about Qt Commercial License Agreements.
    **
    ** Contact info@trolltech.com if any conditions of this licensing are
    ** not clear to you.
    **
    ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    **
    ****************************************************************************/

    #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;
        const TorrentClient *clientForRow(int row) const;

    protected:
        void closeEvent(QCloseEvent *event);

    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