[bt-devel] NASB Unlock Key

[Jaak Ristioja]

This sounded like a good idea at first, but after having read that
document I would say no.

The problem is that the Qt rich text engine supports a lot of HTML
features which might be problematic for us, e.g. support for colors
might cause issues like

  https://github.com/bibletime/bibletime/issues/208

and the src="" attribute of <img> and the background-image: <uri> CSS
property might allow specifying non-local URIs in which case the UI
might attempt to download these from the Internet which fails if the
user is offline, when online allows servers to track users and would
fail if the resource is no longer available on the server.

Secondly, we would have to use a more specific version of that spec,
e.g. https://doc.qt.io/qt-5.12/richtext-html-subset.html. As far as
BibleTime and other Qt frontends are concerned, this means that we might
still have to use a QWebSomething widget instead of QLabel/QTextEdit,
because the supported HTML for QTextDocument might change between Qt
versions even in backwards incompatible manner.

I think that some smaller subset of that subset would be better. And if
RTFHTML would conform to that (and not crash), I'd have no problems with
using that in BibleTime.

J

On 07.01.20 06:32, Gary Holmlund wrote:
> 
> Jaak and Troy,
> 
> I have a suggestion. Qt supports rich text (a subset of HTML) and
> documents it here:
> 
> https://doc.qt.io/qt-5/richtext-html-subset.html
> 
> It is quite rich for any messages anyone  would display for unlocking.
> Could we agree to this spec?
> 
> Gary Holmlund
> 
> 
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