#0  0x00007f5e63cdd280 in QGridLayout::rowCount () from /usr/lib/libQtGui.so.4
#1  0x0000000000454360 in OptionsView::addCheckBoxOption ()
No locals.
#2  0x000000000045538e in OptionsView::addOptions ()
No locals.
#3  0x000000000044fced in VolumeWidget::VolumeWidget ()
No locals.
#4  0x0000000000443644 in CentralWidget::addDevice ()
No locals.
#5  0x00000000004452f1 in CentralWidget::CentralWidget ()
No locals.
#6  0x0000000000439732 in MainWindow::MainWindow ()
No locals.
#7  0x000000000043799a in main ()
No locals.