[Implemented] Improve the input requester

[BarryG]

Implemented in 6.10

Specifying a parent window doesn't center the InputRequester() to that window? Isn't it supposed to?

If not, I'd like it to, because on an ultrawide monitor with your window at 0 x 0 desktop coords, the InputRequester() will open far away somewhere else.

[Fred]

the new option just specify the parent window, it's the OS which choose the appropriate position for the requesters.