qt QTreeWidget右键菜单函数，以备自己翻阅

QModelIndex index=ui.tree_FileLocal->indexAt(pos);QMenu *pMenu=new QMenu(ui.tree_FileLocal);if (ui.tree_FileLocal->columnCount()==7){QAction *refresh=pMenu->addAction(tr("刷新(&Y)"));refresh->setShortcut(Qt::Key_F5);connect(refresh,SIGNAL(triggered()),this,SLOT(discRefreshLocalFunction()));pMenu->addSeparator();QAction *attribute=pMenu->addAction(tr("属性(&Z)"));connect(attribute,SIGNAL(triggered()),this,SLOT(discInfoLocalFunction()));}else{if (index==QModelIndex())//空白地方{QMenu *checkMenu=new QMenu(ui.tree_FileLocal);QAction *plain=checkMenu->addAction(tr("平铺(&W)"));plain->setCheckable(true);connect(plain,SIGNAL(triggered()),this,SLOT(extendLocalView()));checkMenu->addSeparator();//分隔线QAction *icon=checkMenu->addAction(tr("图标(&X)"));icon->setCheckable(true);connect(icon,SIGNAL(triggered()),this,SLOT(iconLocalView()));checkMenu->addSeparator();QAction *list=checkMenu->addAction(tr("列表(&Y)"));list->setCheckable(true);connect(list,SIGNAL(triggered()),this,SLOT(listLocalView()));checkMenu->addSeparator();QAction *report=checkMenu->addAction(tr("报表(&Z)"));report->setCheckable(true);connect(report,SIGNAL(triggered()),this,SLOT(reportLocalView()));switch(m_viewLocalFlag){case 0:plain->setChecked(true);break;//勾选case 1:icon->setChecked(true);break;case 2:list->setChecked(true);break;case 3:report->setChecked(true);break;}QMenu *newMenu=new QMenu(ui.tree_FileLocal);QAction *contents=newMenu->addAction(tr("目录(&Z)"));contents->setCheckable(true);connect(contents,SIGNAL(triggered()),this,SLOT(createDirLocalFunction()));QAction *refresh=pMenu->addAction(tr("刷新(&X)"));refresh->setShortcut(Qt::Key_F5);//添加热键connect(refresh,SIGNAL(triggered()),this,SLOT(fileRefreshLocalFunction()));pMenu->addSeparator();QAction *checks=pMenu->addAction(tr("查看(&Y)"));checks->setMenu(checkMenu);pMenu->addSeparator();if(m_copyFlag){QAction *paste=pMenu->addAction(tr("粘贴(&V)"));paste->setShortcut(Qt::CTRL+Qt::Key_V);connect(paste,SIGNAL(triggered()),this,SLOT(pasteFileLocalFunction()));pMenu->addSeparator();}QAction *news=pMenu->addAction(tr("新建(&Z)"));news->setMenu(newMenu);}else//文件{QAction *open=pMenu->addAction(tr("打开(&U)"));open->setShortcut(Qt::Key_F9);connect(open,SIGNAL(triggered()),this,SLOT(openFileLocalFunction()));QAction *refresh=pMenu->addAction(tr("刷新(&X)"));refresh->setShortcut(Qt::Key_F5);connect(refresh,SIGNAL(triggered()),this,SLOT(fileRefreshLocalFunction()));pMenu->addSeparator();QAction *copy=pMenu->addAction(tr("复制(&V)"));copy->setShortcut(Qt::CTRL+Qt::Key_C);connect(copy,SIGNAL(triggered()),this,SLOT(copyFileLocalFuntion()));pMenu->addSeparator();QAction *alter=pMenu->addAction(tr("改名(&W)"));alter->setShortcut(Qt::Key_F2);connect(alter,SIGNAL(triggered()),this,SLOT(renameFileLocalFunction()));QAction *del=pMenu->addAction(tr("删除(&Y)"));del->setShortcut(Qt::Key_Delete);connect(del,SIGNAL(triggered()),this,SLOT(deleteFileLocalFunction()));pMenu->addSeparator();QAction *attribute=pMenu->addAction(tr("属性(&Z)"));connect(attribute,SIGNAL(triggered()),this,SLOT(fileInfoLocalFunction()));}}pMenu->exec(QCursor::pos());//在鼠标位置弹出菜单