QTableView and QTreeView with hierarchical headers, frozen columns, dragged columns and more. Tested for Qt 5.9.9, 5.15.2, 6.2.1
Dragged columns:
n-r-w/zf_item_view
C++, Qt: QTableView and QTreeView with hierarchical headers, frozen columns, dragged columns and more.
C++GPL-3.0