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# blockingclient.h Example File
network/blockingfortuneclient/blockingclient.h

        #ifndef BLOCKINGCLIENT_H
        #define BLOCKINGCLIENT_H

        #include <QDialog>

        #include "fortunethread.h"

        class QLabel;
        class QLineEdit;
        class QPushButton;

        class BlockingClient : public QDialog
        {
            Q_OBJECT

        public:
            BlockingClient(QWidget *parent = 0);

        private slots:
            void requestNewFortune();
            void showFortune(const QString &fortune);
            void displayError(int socketError, const QString &message);
            void enableGetFortuneButton();

        private:
            QLabel *hostLabel;
            QLabel *portLabel;
            QLineEdit *hostLineEdit;
            QLineEdit *portLineEdit;
            QLabel *statusLabel;
            QPushButton *getFortuneButton;
            QPushButton *quitButton;

            FortuneThread thread;
            QString currentFortune;
        };

        #endif