On 16 Dec 2019, at 16:35, Eyal Redler wrote:
It does look very similar (except for the fact that in your example
the text is also cut on the right. Do you have copiesOnScroll turned
off as well?
I do change copiesOnScroll.
Apart from opting out of responsive scrolling, it’s should be a very
standard NSClipView/NSScrollView setup.
Interesting to note that both scroll views (main text and line
numbers) are cut-off at the same point.
To me it looks to be about “window compositing” rather than the
affected view.
In the screen capture I received, the text that did get drawn is exactly
640 pixels wide but spans two views. Possibly that is the texture size
Apple uses when doing window compositing?
But difficult to speculate about what is causing this given window/view
compositing is a black box.
My view doesn't opt out of responsive scrolling so in my case that is
ruled out. Did you find out anything about this issue in your case?
How prevalent was that?
Heard it from numerous users, and some users apparently see it a lot.
But one user mentioned having seen something similar in Outlook.
So my money are on this being a macOS 10.15 bug.
I actually thought of opting out of responsive scrolling as a way to
try and fix this. Did you try removing the opt out (just for testing
purposes) to see if it is indeed related?
I did not, but I have a user defaults for this, so I will propose
affected users test with responsive scroll enabled.
FYI I haven’t seen the issue myself as I have refrained from upgrading
to macOS 10.15.
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