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# 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
        ** General Public Licensing requirements will be met:
        ** http://www.trolltech.com/products/qt/opensource.html
        **
        ** If you are unsure which license is appropriate for your use, please
        ** review the following information:
        ** http://www.trolltech.com/products/qt/licensing.html or contact the
        ** sales department at sales@trolltech.com.
        **
        ** 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 <QTreeWidget>

        #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