
the code for the two buttons at the top is:
startButton = new QPushButton(QIcon(":/images/" + iconTheme + "/start.png"), tr("&Start"), this);
startButton->setWhatsThis(tr("Start this virtual machine"));
startButton->setIconSize(QSize(22, 22));
stopButton = new QToolButton(this);
stopButton->setIcon(QIcon(":/images/" + iconTheme + "/stop.png"));
stopButton->setText(tr("&Stop"));
stopButton->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
stopButton->setWhatsThis(tr("Stop this virtual machine"));