How to addSubWindow to a QMdiArea without taking the focus?

[dv8]

I have a function that runs in the background and adds tabs in a QMdiArea. However, when a new tab is added it steals the focus from the currently active tab. Is there a way I can add a new inactive tab (sub window), so I keep the focus to the currently used tab? I have searched the web but was not able to find anything related to this issue.

I have tried the following:

MyWidget *widget=new MyWidget();
QMdiSubWindow *sub=ui->mdiArea->addSubWindow(widget,Qt::SubWindow);
sub->setWindowState(Qt::WindowNoState);

MyWidget *widget=new MyWidget();
QMdiSubWindow *sub=ui->mdiArea->addSubWindow(widget,Qt::SubWindow);
sub->setWindowState(Qt::WindowNoState);

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but it does not have the desired effect.