mainwindow.h Example File

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

  protected:
      void closeEvent(QCloseEvent *event) 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