Information in the progress window (example: rescan) is displayed capped to fixed size instead of contents.

<img width="209" alt="screenshot 2018-12-21 at 14 58 20" src="https://user-images.githubusercontent.com/26601261/50345943-0bbd4300-0531-11e9-9c6c-e277ac69eb0c.png">

{
        timeBehindText = QObject::tr("%n hour(s)","",secs/HOUR_IN_SECONDS);
    }
    else if(secs < 2*WEEK_IN_SECONDS)
    {
        timeBehindText = QObject::tr("%n day(s)","",secs/DAY_IN_SECONDS);
    }
    else if(secs < YEAR_IN_SECONDS)
    {
        timeBehindText = QObject::tr("%n week(s)","",secs/WEEK_IN_SECONDS);
    }
    else
    {
        qint64 years = secs / YEAR_IN_SECONDS;
        qint64 remainder = secs % YEAR_IN_SECONDS;
        timeBehindText = QObject::tr("%1 and %2").arg(QObject::tr("%n year(s)", "", years)).arg(QObject::tr("%n week(s)","", remainder/WEEK_IN_SECONDS));
    }
    return timeBehindText;
}
QString formatBytes(uint64_t bytes)
{
    if(bytes < 1024)
        return QString(QObject::tr("%1 B")).arg(bytes);
    if(bytes < 1024 * 1024)
        return QString(QObject::tr("%1 KB")).arg(bytes / 1024);
    if(bytes < 1024 * 1024 * 1024)
        return QString(QObject::tr("%1 MB")).arg(bytes / 1024 / 1024);
    return QString(QObject::tr("%1 GB")).arg(bytes / 1024 / 1024 / 1024);
}
qreal calculateIdealFontSize(int width, const QString& text, QFont font, qreal minPointSize, qreal font_size) {