qt5base-lts/examples/widgets/layouts/flowlayout/window.cpp

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#include <QPushButton>

#include "flowlayout.h"
#include "window.h"
//! [1]
Window::Window()
{
    FlowLayout *flowLayout = new FlowLayout;

    flowLayout->addWidget(new QPushButton(tr("Short")));
    flowLayout->addWidget(new QPushButton(tr("Longer")));
    flowLayout->addWidget(new QPushButton(tr("Different text")));
    flowLayout->addWidget(new QPushButton(tr("More text")));
    flowLayout->addWidget(new QPushButton(tr("Even longer button text")));
    setLayout(flowLayout);

    setWindowTitle(tr("Flow Layout"));
}
//! [1]