StacktraceTop:QFormLayoutPrivate::setupVerticalLayoutData ( OptionsView::addOptions () VolumeWidget::VolumeWidget () CentralWidget::addDevice () CentralWidget::CentralWidget ()
StacktraceTop: QFormLayoutPriv ate::setupVerti calLayoutData ( :addOptions () :VolumeWidget () :addDevice () :CentralWidget ()
OptionsView:
VolumeWidget:
CentralWidget:
CentralWidget: