QHBoxLayout *layout = new QHBoxLayout(this);
QPushButton *chooseButton = new QPushButton(tr("Choose..."), this);
connect(chooseButton, SIGNAL(clicked()), SLOT(chooseFont()));
QHBoxLayout *layout = new QHBoxLayout(this);
QPushButton *chooseButton = new QPushButton(tr("Choose..."), this);
connect(chooseButton, SIGNAL(clicked()), SLOT(chooseFont()));