#include <QtWidgets>

int main(int argc, char** argv)
{
    QApplication app(argc, argv);
    app.setStyleSheet(R"(
QAbstractItemView
{
    background-color: #804040;
    alternate-background-color: #604040;
}
)");

    QMainWindow mw;
    auto tw = new QTreeWidget;

    tw->setHeaderLabels({"Column 1 ******", "Column 2 ******", ""});
    auto hdr = tw->header();
    hdr->setStretchLastSection(false);
    hdr->setSectionResizeMode(0, QHeaderView::Interactive);
    hdr->setSectionResizeMode(1, QHeaderView::ResizeToContents);
    hdr->setSectionResizeMode(2, QHeaderView::ResizeToContents);
        
    auto root = new QTreeWidgetItem;
    root->setText(0, "Installed Engine Builds");
    root->setText(1, "");
    tw->addTopLevelItem(root);

    for (auto i = 0; i < 10; ++i) {
        auto item = new QTreeWidgetItem;
        item->setText(0, QString("{textTest0}-{%1}").arg(i));
        item->setText(1, QString("{textTest1}-{%1}").arg(i));
        item->setText(2, QString("{textTest2}-{%1}").arg(i));
        root->addChild(item);
    }

    root->setText(2, "{root.childCount()}");
    tw->expandItem(root);
    tw->adjustSize();

    tw->resizeColumnToContents(hdr->logicalIndex(0));
    mw.setCentralWidget(tw);
//    tw->resizeColumnToContents(hdr->logicalIndex(0));
    mw.show();
    return app.exec();
}