qt-everywhere-src-5.14.1/qtbase/examples/widgets/graphicsview/flowlayout/window.cpp

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#include "window.h"
#include "flowlayout.h"

#include <QGraphicsProxyWidget>
#include <QLabel>

Window::Window(QGraphicsItem *parent) : QGraphicsWidget(parent, Qt::Window)
{
    FlowLayout *lay = new FlowLayout;
    const QString sentence(QLatin1String("I am not bothered by the fact that I am unknown."
                                         " I am bothered when I do not know others. (Confucius)"));
    const QVector<QStringRef> words = sentence.splitRef(QLatin1Char(' '), QString::SkipEmptyParts);
    for (const QStringRef &word : words) {
        QGraphicsProxyWidget *proxy = new QGraphicsProxyWidget(this);
        QLabel *label = new QLabel(word.toString());
        label->setFrameStyle(QFrame::Box | QFrame::Plain);
        proxy->setWidget(label);
        lay->addItem(proxy);
    }
    setLayout(lay);
}