bind("key-down--z", \: (void; Event event)
    {
        use qt;
        use encoding;
        //    process = qt.QProcess(mainWindowWidget());
        qprocess = QProcess(mainWindowWidget());

        connect(qprocess, QIODevice.readyRead,
                \: (void;)
                {
                    while (qprocess.canReadLine())
                    {
                        let line = utf8_to_string(qprocess.readLine(0).constData());
                        print("%s\n" % line);
                    }
                });

        connect(qprocess, QProcess.finished,
                \: (void; int exitCode)
                {
                    print("FINISHED\n");
                });

        qprocess.start("/bin/ls",
                       string[] {"-al", "/Users/jimh/"},
                       QIODevice.ReadOnly | QIODevice.Text);
    });