QHBoxLayout *layout = new QHBoxLayout(); layout->addWidget(button1); layout->addWidget(button2); layout->addWidget(button3); layout->setAlignment(Qt::AlignCenter);
QHBoxLayout *layout = new QHBoxLayout(); layout->addWidget(button1); layout->addWidget(button2); layout->addWidget(button3); layout->setAlignment(Qt::AlignRight);Package library: Qt framework.