QWebEngineView - Disable auto word-wrap of tooltip (title)

[SamurayH]

I've noticed that the text of tooltip is auto wrapped in QWebEngineView. I tried to modify CSS so as to disable the word-wrap, but it doesn't work. On Chrome I don't have this problem.
Here's some screenshots :
QWebEngineView :

Chrome :

I'm using QWebEngineView::setHtml to display a local Html file.

Is there a way to fix this ?

[JonB]

@SamurayH
Show the CSS you tried, just in case?

[SamurayH]

This is the Html:

<div id="fullSc" class="tBB" title="FullScreen (Alt + F11)" onclick="fullSc(this);"><span></span></div>

And here's the CSS :

.tBB {
     width:32px;
     height:32px;
     color:#fff;
     font-size:18pt;
     font-family: IconFont;
     cursor:pointer;

     white-space:pre; // I tried this because it works with QTooltip (rich text)
                      // even if it will affect the div content only, and not its tooltip
}
.tBB:hover{
     color:#42AECC;
     transition: .5s;
}

[SamurayH]

I've decided to report this issue as a bug here.
Was you able to reproduce the issue ?