Qt 5.6 | Qt Network | HTTP Example | httpwindow.h Example File

Qt 5.6.2 Reference Documentation

# httpwindow.h Example File

http/httpwindow.h

      /****************************************************************************
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      ** This file is part of the examples of the Qt Toolkit.
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      #ifndef HTTPWINDOW_H
      #define HTTPWINDOW_H

      #include <QProgressDialog>
      #include <QNetworkAccessManager>
      #include <QUrl>

      class QFile;
      class QLabel;
      class QLineEdit;
      class QPushButton;
      class QSslError;
      class QAuthenticator;
      class QNetworkReply;
      class QCheckBox;

      class ProgressDialog : public QProgressDialog {
          Q_OBJECT

      public:
          explicit ProgressDialog(const QUrl &url, QWidget *parent = Q_NULLPTR);

      public slots:
         void networkReplyProgress(qint64 bytesRead, qint64 totalBytes);
      };

      class HttpWindow : public QDialog
      {
          Q_OBJECT

      public:
          explicit HttpWindow(QWidget *parent = Q_NULLPTR);

          void startRequest(const QUrl &requestedUrl);

      private slots:
          void downloadFile();
          void cancelDownload();
          void httpFinished();
          void httpReadyRead();
          void enableDownloadButton();
          void slotAuthenticationRequired(QNetworkReply*,QAuthenticator *);
      #ifndef QT_NO_SSL
          void sslErrors(QNetworkReply*,const QList<QSslError> &errors);
      #endif

      private:
          QFile *openFileForWrite(const QString &fileName);

          QLabel *statusLabel;
          QLineEdit *urlLineEdit;
          QPushButton *downloadButton;
          QCheckBox *launchCheckBox;
          QLineEdit *defaultFileLineEdit;
          QLineEdit *downloadDirectoryLineEdit;

          QUrl url;
          QNetworkAccessManager qnam;
          QNetworkReply *reply;
          QFile *file;
          bool httpRequestAborted;
      };

      #endif