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  4. QPlainTextEdit should show unicode null character as \u0000 string

QPlainTextEdit should show unicode null character as \u0000 string

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  • M Offline
    M Offline
    MECoder
    wrote on last edited by
    #1

    Hi,
    i'm using QPlainTextEdit as text output of incoming messages. The messages is a QByteArray called payload.
    I convert these QByteArrray to Unicode using QTextCodec.

    QByteArray payload; //comes from UDP Socket
    QTextCodec *textCodec = QTextCodec::codecForLocale();
    QString strPayload_unicode = textCodec->toUnicode( payload );
    qDebug() << strPayload_unicode;
    

    The QDebug output of strPayload_unicode is:
    "192.168.001.128\u0000Here ist a String\u0000Here ist a String\u0000Something other\u0000"

    When i use QPlainTextEdit::setPlainText( strPayload_unicode ) to show it in QPlainTextEdit widget the result is:
    "192.168.001.128Here ist a StringHere ist a StringSomething other"

    How can I show the null characters in QPlainTextEdit as String "\u0000"? I want to see in QPlainTextEdit this:
    "192.168.001.128\u0000Here ist a String\u0000Here ist a String\u0000Something other\u0000"

    Greetings
    Stefan

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    • VRoninV Offline
      VRoninV Offline
      VRonin
      wrote on last edited by VRonin
      #2
      QString escapedString = strPayload_unicode;
      escapedString.repalce('\0',R"(\u0000)");
      QPlainTextEdit::setPlainText( escapedString);
      

      "La mort n'est rien, mais vivre vaincu et sans gloire, c'est mourir tous les jours"
      ~Napoleon Bonaparte

      On a crusade to banish setIndexWidget() from the holy land of Qt

      1 Reply Last reply
      4

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