如何获取QMdiSubWindow关闭窗口的事件

zlwldck

QMdiSubWindow *mdiWin1 = new QMdiSubWindow; mdiWin1->resize(QSize(151,182)); ui->mdiArea->addSubWindow(mdiWin1); QString str1 = "1111111111111111111111111111"; QTextEdit *text1 = new QTextEdit(); text1->setText(str1); text1->setReadOnly(true); QTableWidget *widget1 = new QTableWidget(); widget1->setColumnCount(1); widget1->setRowCount(2); widget1->setRowHeight(0,100); widget1->setColumnWidth(0,100); widget1->setCellWidget(0,0,text1); mdiWin1->setWidget(widget1); widget1->setWordWrap(true);

//connect(mdiWin1,SIGNAL(close()),this,SLOT(hidetitle()));

现在想实现一个功能就是当我关闭这个子窗口时，将整个的MdiArea都给隐藏起来，求大神指点,还有个问题就是现在这个MdiArea左上角有一个untitled怎么去掉

wdmxtk002

自己实现qmdisubwindow，然后重写它的closeevent