mainwindow.h

基于QT4图形库的BT下载客户端源码

/****************************************************************************
**
** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** Licensees holding a valid Qt License Agreement may use this file in
** accordance with the rights, responsibilities and obligations
** contained therein.  Please consult your licensing agreement or
** contact [e-mail] if any conditions of this licensing
** agreement are not clear to you.
**
** Further information about Qt licensing is available at:
** http://www.trolltech.com/products/qt/licensing.html or by
** contacting [e-mail].
**
** 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