VR3 Working With Both Qt6 and Qt5, But ...

[tbp1...@gmail.com]

I was able to get VR3 working with Qt6, but I had to switch to using a QTextBrowser instead of a QWebEngine, since Qt6 doesn't yet have a QWebEngine class.  These changes work with Qt5 as well, but the result isn't satisfactory because the QTextBrowser isn't using the css stylesheet for display.  When I export to the browser, the rendering is correct, but not in the Leo panel.

I'm wondering if this isn't about stylesheets being in separate files and the QTextBrowser not finding them.  One difference is that with the QWebEngine, we had

w.setHtml(s, url_base)

but with the QTextBrowser, that method does not take a url_base parameter.  Since stylesheet paths are relative paths, without the url_base, maybe the QTextBrowser can't find them.

Does someone know how to handle this situation?

[tbp1...@gmail.com]

It seems that a QTextBrowser doesn't use a css stylesheet like a WebEngine does - that is, like an ordinary web browser.  You can set some overall styles, somewhat like setting styles on the body element, but apparently you can't set styles on individual kinds of elements.

So proper rendering with VR3/qt6 is going to have to wait until QWebEngine or an equivalent is available with QT6.

[Edward K. Ream]

On Tuesday, April 13, 2021 at 8:04:53 AM UTC-5 tbp1...@gmail.com wrote:

It seems that a QTextBrowser doesn't use a css stylesheet like a WebEngine does - that is, like an ordinary web browser.  You can set some overall styles, somewhat like setting styles on the body element, but apparently you can't set styles on individual kinds of elements.

So proper rendering with VR3/qt6 is going to have to wait until QWebEngine or an equivalent is available with QT6.

Thanks for these comments.  leoQt6.py avoids attempting to load optional libraries because I didn't want to "bless" any but the most basic libraries. Right now I don't care about all the Qt6 details. Naturally, you do care. I'll let you handle the bleeding edge for the time being.

Edward