16:16:35beachIt is not the fault of Clouseau. this program also behaves that way: http://metamodular.com/mcclim-problem.lisp
17:52:44beachIt looks similar to the problem we had with coordinate swizzling, but we got rid of that, no?
20:03:26ck_doing this with 2000 values on mac os / XQuartz takes longer than I was willing to wait right now. It takes ~30 seconds with 1000 values, and I see no problem with scrolling at that amount. Maybe I'll take another look tomorrow
21:25:12jackdanielare you sure that you use upstream mcclim?
21:26:04jackdanielcurrently repaint is suboptimal speed-wise, but I do't think it is prone to that kind of glitches
21:26:22jackdanielI'll try to reproduce on Monday though
22:00:27john-a-carrolljackdaniel: this is probably the same as https://github.com/McCLIM/McCLIM/issues/1188 . It would be great if you could take a look at it
23:13:19random-nickhere's a video of how the bug looks for me https://0x0.st/-xP5.webm