QObject::connect(toggleFS, SIGNAL(pressed()), this, SLOT(toggleFullscreen()));
QPushButton *newGame = new QPushButton(tr("New game"), this);
QObject::connect(newGame, SIGNAL(pressed()), field, SLOT(randomize()));
QObject::connect(toggleFS, SIGNAL(pressed()), this, SLOT(toggleFullscreen()));
QPushButton *newGame = new QPushButton(tr("New game"), this);
QObject::connect(newGame, SIGNAL(pressed()), field, SLOT(randomize()));