File indexing completed on 2024-12-01 06:45:59 

0001 /*
0002     SPDX-FileCopyrightText: 2020 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
0003     SPDX-FileContributor: David Faure <david.faure@kdab.com>
0004 
0005     SPDX-License-Identifier: LGPL-2.0-or-later
0006 */
0007 
0008 #include <KRearrangeColumnsProxyModel>
0009 #include <QApplication>
0010 #include <QStandardItemModel>
0011 #include <QTimer>
0012 #include <QTreeView>
0013 
0014 // Prepares one row for a QStandardItemModel
0015 inline QList<QStandardItem *> makeStandardItems(const QStringList &texts)
0016 {
0017     QList<QStandardItem *> items;
0018     items.reserve(texts.count());
0019     for (const QString &txt : texts) {
0020         items << new QStandardItem(txt);
0021     }
0022     return items;
0023 }
0024 
0025 int main(int argc, char **argv)
0026 {
0027     QApplication app(argc, argv);
0028 
0029     QStandardItemModel source;
0030     source.insertRow(0, makeStandardItems({QStringLiteral("A0"), QStringLiteral("B0"), QStringLiteral("C0"), QStringLiteral("D0")}));
0031     source.insertRow(1, makeStandardItems({QStringLiteral("A1"), QStringLiteral("B1"), QStringLiteral("C1"), QStringLiteral("D1")}));
0032     source.insertRow(2, makeStandardItems({QStringLiteral("A2"), QStringLiteral("B2"), QStringLiteral("C2"), QStringLiteral("D2")}));
0033     source.setHorizontalHeaderLabels({QStringLiteral("H1"), QStringLiteral("H2"), QStringLiteral("H3"), QStringLiteral("H4")});
0034 
0035     KRearrangeColumnsProxyModel pm;
0036     pm.setSourceColumns(QList<int>{2, 3, 1, 0});
0037     pm.setSourceModel(&source);
0038 
0039     QTreeView treeView;
0040     treeView.setModel(&pm);
0041     treeView.show();
0042 
0043     QTimer::singleShot(500, &pm, [&]() {
0044         pm.setSourceColumns(QList<int>{2, 1, 0, 3});
0045     });
0046 
0047     return app.exec();
0048 }