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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include "treemodel.h"
++
++ #include <QApplication>
++ #include <QFile>
++ #include <QScreen>
++ #include <QTreeView>
++
++ using namespace Qt::StringLiterals;
++
++ int main(int argc, char *argv[])
++ {
++ QApplication app(argc, argv);
++
++ QFile file(":/default.txt"_L1);
++ if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
++ qFatal("simpletreemodel: Cannot read embedded default text file.");
++ TreeModel model(QString::fromUtf8(file.readAll()));
++ file.close();
++
++ QTreeView view;
++ view.setModel(&model);
++ view.setWindowTitle(TreeModel::tr("Simple Tree Model"));
++ for (int c = 0; c < model.columnCount(); ++c)
++ view.resizeColumnToContents(c);
++ view.expandAll();
++ const auto screenSize = view.screen()->availableSize();
++ view.resize({screenSize.width() / 2, screenSize.height() * 2 / 3});
++ view.show();
++ return QApplication::exec();
++ }