QTreeWidgetItem 点击可编辑修改

QTreeWidgetItem* item = new QTreeWidgetItem(tree);// need to add editable flag, items are not editable by defaultitem->setFlags(item->flags() ¦ Qt::ItemIsEditable);tree->editItem(item, 0);

不可修改

item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsUserCheckable | Qt::ItemIsEnabled);

ConstantValueDescriptionQt::NoItemFlags0It does not have any properties set.Qt::ItemIsSelectable1It can be selected.Qt::ItemIsEditable2It can be edited.Qt::ItemIsDragEnabled4It can be dragged.Qt::ItemIsDropEnabled8It can be used as a drop target.Qt::ItemIsUserCheckable16It can be checked or unchecked by the user.Qt::ItemIsEnabled32The user can interact with the item.Qt::ItemIsTristate64The item is checkable with three separate states.注意：逻辑关系