Safari renders all HTML on top of svg content

[gilesdring]

No description provided.

[gilesdring]

[gilesdring]

Safari is all kinds of broken when mixing SVG and HTML content. https://bugs.webkit.org/show_bug.cgi?id=23113

Seems like this has been going on for a long time (11+ years)

Working on something which makes it more or less work.

[gilesdring]

You can see the issue here. The textarea element is correctly positioned in the virtual DOM (highlight colours), but incorrectly on screen. This is a scaling issue, and gets progressively worse down the screen.

[gilesdring]

@davetaz This is now fixed on Mobile Safari, but still broken on Desktop Safari. It seems that the whole area of multimedia SVG / HTML rendering is a bit of a bin fire, given the afternoon of research I've just completed on this.

Mobile Safari looks like this

Desktop Safari looks like this

Seems to be a weird issue with constrained height elements and auto scroll behaviour. My favourite test case is this one:

1. Open up Limitations in data sources on a clean canvas.
2. Add an item.
3. Add another item.
4. Ponder what just happened...

One item

Two items

[gilesdring]

@davetaz Are you happy to close this issue on this basis? Desktop Safari is probably reliant on a fix from Apple, to be honest. Other than that, we would have to rethink the whole canvas approach, and I think would lose the ability to scale text along with the Canvas.

[davetaz]

As you say looks good mobile. Tab titles don’t seem very responsive in the guidance pane under mobile? Easy fix? Dave T

…

On 1 Apr 2021, at 17:00, Giles Dring ***@***.***> wrote:  @davetaz Are you happy to close this issue on this basis? Desktop Safari is probably reliant on a fix from Apple, to be honest. Other than that, we would have to rethink the whole canvas approach, and I think would lose the ability to scale text along with the Canvas. — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub, or unsubscribe.

[gilesdring]

I'll take a look. Just in the middle of an enormous refactor to try to fix the status date updating issue. #38