How to get richtext from textedit?

[chaochao]

bool DocHandler::save(const QString &name)
{
    QString filename=curFile;

    if(!name.isEmpty())
        filename=name;

    QFile file(filename);
    if(!file.open(QIODevice::WriteOnly))
    {
        const QMessageBox::StandardButton ret
                = QMessageBox::warning(this, tr("MutiDoc"),
                                       tr("Canot write file %1;\n"
                                          "Erro: %2"
                                          )
                                       .arg(file.fileName()).arg(file.errorString())
                                      );
        return false;

    }
    QDataStream out(&file);
    out.setVersion(QDataStream::Qt_5_7);
    QApplication::setOverrideCursor(Qt::WaitCursor);
    out<<this->toPlainText();
    QApplication::restoreOverrideCursor();

    setCurrentFile(filename);
    return true;
}

like this just can get plaintext even if i use QDataStream but QTextStream.I want to get richtext form textedit include color and other info.What can i do? Thank for your help

[jsulm]

@chaochao Use http://doc.qt.io/qt-5.7/qtextedit.html#html-prop

[VRonin]

If the content of the textedit are very simple (no resources) you can save the toHtml() string and reload it using setHtml() if the document is more complex it's currently not available, see https://bugreports.qt.io/browse/QTBUG-9258 , you will have to implement it yourself