mainwindow.h Example File
network/torrent/mainwindow.h
    /****************************************************************************
    **
    ** Copyright (C) 2004-2006 Trolltech AS. All rights reserved.
    **
    ** This file is part of the documentation of the Qt Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 as published by the Free Software Foundation
    ** and appearing in the file LICENSE.GPL included in the packaging of
    ** this file.  Please review the following information to ensure GNU
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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;
        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