to allow a hierarchy of PoPup

[Aliaksandr3by]

to add a permission for many popup menu at the same time

[nonwill]

If it just like this, welcome to GoldenDict++.

[vedgy]

@nonwill, you have been warned not to promote your illegal fork GoldenDict++ here (#1424).

to add a permission for many popup menu at the same time

Multiple scan popup windows is relatively difficult to implement, because GoldenDict manages a single ScanPopup instance, not a collection of instances in a container.