Oh, that UI paradigm already exist. It's just that browser makers are too busy with things like webasm, webgpu, or allowing pages to launch location/notification popups at users, so they don't have time to fix fundamental flaws.
I don't think it does? Popups are one thing, but the very possibility of dynamic content entails that stuff will shift on the page. Sometimes it's just the nature of the thing, like a chatroom or a notification stream -- it'll shift as new content arrives, which is what I want most of the time, but if I'm interacting with a message, that message shouldn't shift. I'd like a general solution to this. Does that exist?
Devil's advocate, the worst-case scenario is really bad, and would probably be common: A random button your pointer is unintentionally hovering on stays put while the rest of the page wildly formats around it, super-janky UX.
Yeah, it would need to be designed and tested carefully. Rather than formatting around things, I would probably be fine with something simple like overlaying the previous layout in a small disk area under the cursor. So if a button shifts down, you'd see it shift down, but there would be a copy of it still under your cursor, which would fade on its own after a short period.
Alternatively, we could disable clicking/selecting anything that wasn't visible for at least 200 or 300 ms at that location. So if you try to click on a button and it's shifted down or something pops up in front, and you end up clicking on that instead, your cursor would just blink red.
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