QLabel::setWordWrap(true) will not work if text does not contain word-breaks

// label2, label3 will not wrap correctly

#include <QApplication>
#include <QWidget>
#include <QLabel>
#include <QVBoxLayout>

int main(int argc, char** argv)

{ QApplication app(argc, argv); QWidget w; w.setFixedSize(300, 300); QVBoxLayout hlay(&w); QLabel label1("hello world hello world hello world hello world hello world hello world hello world"); label1.setWordWrap(true); QLabel label2("http://www.helloworld1helloworld2helloworld3helloworld4helloworld5helloworld6helloworld7.com/helloworld/test"); label2.setWordWrap(true); QLabel label3("1234567890abcdefghijklmnopqrstuvwxyz1234567890abcdefghijklmnopqrstuvwxyz"); label3.setWordWrap(true); hlay.addWidget(&label1); hlay.addWidget(&label2); hlay.addWidget(&label3); w.show(); return app.exec(); }