当弹出窗口以 PopupCompletion 模式显示时,我没有设法选择完成者的第一项。我当前不起作用的代码:
completer->setCompletionPrefix(text);
QItemSelectionModel* sm = new QItemSelectionModel(completer->completionModel());
sm->select(completer->completionModel()->index(0,0), QItemSelectionModel::Select);
completer->popup()->setSelectionModel(sm);
有什么建议么?