我想实现我的QTreeView中的复制和粘贴操作对我的上下文菜单复制和粘贴我有子类QAbstractItemModel。我有树形说,四名范围Tope水平的项目和他们每个人都具有多个子 Top Item1
----------
Child1
Child11
Child111
Top Item2
----------
Top It
我需要编写一个树?,在pyqt。它看起来像这样: Clients(this is text)
Type A (this is a Clients child and has a checkbox)
Type B (this is a Clients child and has a checkbox)
Vendors(this is text)
Mary (this