Hello, All !

I have two similar QTreeView's with sorted data in everywhere for move data from one model to another.
QTreeView
|
QSortFIlterProxyModel
||
QStandardItemModel.

I manipulate with model data using methods data()/setData() from one model to another, but if I try to select very many rows (~1000) then time of moving became very very big. Any ideas ? Can I do it without copying ?

Thanks in advance.