标签：hid col tco 菜单 pre action 隐藏 contex div
QAction *hideAction = new QAction(tr(" 隐藏"),this); addAction(hideAction); setContextMenuPolicy(Qt::ActionsContextMenu);
Qt添加右键菜单
原文地址：http://www.cnblogs.com/amwuau/p/8011149.html
