Items > item list > item tooltip improvement

Bắt đầu bằng cách lần theo điểm vào của tooltip khi di chuột qua danh sách vật phẩm và phép tính chênh lệch chỉ số bằng Ctrl+D, tập trung vào lý do các phép tính lặp lại khi di chuyển qua các viên ngọc. So sánh hành vi của danh sách vật phẩm với hành vi khi di chuột qua trang bị được mô tả trong issue. Hoàn thành khi tooltip của vật phẩm không còn bị khựng hoặc hiển thị các kết quả trung gian đã lỗi thời khi chênh lệch chỉ số được bật.

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What platform are you running Path of Building on?

Windows

Is your feature request related to a problem?

Since 2.67 I've noticed the item tooltip hitching when mouse is moving over the list of items while "display of stats differences" is turned on.

Describe the solution you'd like

I just want it to work smoothly.
The Ctrl +D "display of stats differences" thing is a great feature, there should be no need to repeatedly turn it on and off.
The way you may implement the fix is up to you.

Describe alternatives you've considered

Those are separated thoughts, I'm not familiar with PoB architecture and don't know what would be the best way:

1. The calculation result of the "stats differences" could be cached until the build is actually changed, thus the 2nd tooltip should not lag at all.
2. The item tooltip should expand dynamically, the static content should be displayed as it currently does and the calculated "stats differences" part appear when it's done.
3. The item tooltip needs a natural delay when hovering over item list, thus the calculations are not repeated on every mouse movement event and rather done when mouse has stopped over the item for a realistic period (like 130ms)

Additional context

It works fine when hovering over equipment, but it chugs over jewels.

Fine:

Not fine:

That Glorious Vanity tootip is delayed by 1.6 seconds, it flashes briefly and then it's replaced instantly with Impossible escape tootip. Kinda pointless.