Switching buffers while scrolling continues scroll in new buffer

[expipiplus1]

To reproduce:

• Open a file in which you can scroll
• Open a split
• Start scrolling in one split window
• Switch to the other split window while the scroll is in progress
• Observe that the switched to split window is now the one scrolling

Expected behaviour:

I would expect that the scroll continues in the split window it was initiated in.

[yuttie]

@expipiplus1 Thank you for your report :)
Yes, I noticed this behavior.

Although your expected behavior is ideal, I don't have any ideas to realize it for now.
It is because we rely on <C-e> and <C-y> to scroll desired amount of lines.

One possible, but not ideal, solution is to hold simulation states per-buffer basis.
Then we can freeze the scrolling in a window when we leave to another.
If we go this way, we will sometimes see a window unintentionally start to scroll when we come back to the window 😓

Maybe, we can stop the simulation using autocmd and BufLeave (or WinLeave?) event.

[dataO1]

Did notice the same behaviour, is there still no way to reasonably fix this?