Advance Wayland and KDE package bring-up

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

local/recipes/kde/kf6-kitemmodels/source/autotests/kcolumnheadersmodeltest.cpp

@@ -0,0 +1,144 @@
+/*
+    SPDX-FileCopyrightText: 2019 Arjen Hiemstra <ahiemstra@heimr.nl>
+
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#include <QAbstractItemModelTester>
+#include <QSignalSpy>
+#include <QStandardItemModel>
+#include <QTest>
+
+#include <KColumnHeadersModel>
+
+class KColumnHeadersModelTest : public QObject
+{
+    Q_OBJECT
+
+private Q_SLOTS:
+    void testStatic()
+    {
+        auto model = new KColumnHeadersModel{this};
+
+        auto sourceModel = new QStandardItemModel{this};
+        sourceModel->setHorizontalHeaderLabels(
+            {QStringLiteral("Test 1"), QStringLiteral("Test 2"), QStringLiteral("Test 3"), QStringLiteral("Test 4"), QStringLiteral("Test 5")});
+
+        model->setSourceModel(sourceModel);
+
+        new QAbstractItemModelTester(model, this);
+
+        QCOMPARE(model->rowCount(), 5);
+        QCOMPARE(model->data(model->index(0, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 1"));
+        QCOMPARE(model->data(model->index(1, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 2"));
+        QCOMPARE(model->data(model->index(2, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 3"));
+        QCOMPARE(model->data(model->index(3, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 4"));
+        QCOMPARE(model->data(model->index(4, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 5"));
+
+        QSignalSpy spy{model, &QAbstractItemModel::dataChanged};
+        QVERIFY(spy.isValid());
+
+        sourceModel->setHorizontalHeaderLabels(
+            {QStringLiteral("Test 5"), QStringLiteral("Test 4"), QStringLiteral("Test 3"), QStringLiteral("Test 2"), QStringLiteral("Test 1")});
+
+        QCOMPARE(spy.count(), 4);
+    }
+
+    void testAddColumns()
+    {
+        auto model = new KColumnHeadersModel{this};
+        auto sourceModel = new QStandardItemModel{this};
+        sourceModel->setHorizontalHeaderLabels({QStringLiteral("Test 1"), QStringLiteral("Test 2")});
+        model->setSourceModel(sourceModel);
+
+        new QAbstractItemModelTester(model, this);
+
+        QSignalSpy spy{model, &QAbstractItemModel::rowsInserted};
+        QVERIFY(spy.isValid());
+
+        QCOMPARE(model->rowCount(), 2);
+        QCOMPARE(model->data(model->index(0, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 1"));
+        QCOMPARE(model->data(model->index(1, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 2"));
+
+        sourceModel->setHorizontalHeaderLabels({QStringLiteral("Test 1"), QStringLiteral("Test 2"), QStringLiteral("Test 3")});
+
+        QCOMPARE(spy.count(), 1);
+        QCOMPARE(model->rowCount(), 3);
+        QCOMPARE(model->data(model->index(0, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 1"));
+        QCOMPARE(model->data(model->index(1, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 2"));
+        QCOMPARE(model->data(model->index(2, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 3"));
+
+        sourceModel->setHorizontalHeaderLabels(
+            {QStringLiteral("Test 1"), QStringLiteral("Test 2"), QStringLiteral("Test 3"), QStringLiteral("Test 4"), QStringLiteral("Test 5")});
+
+        QCOMPARE(spy.count(), 2);
+        QCOMPARE(model->rowCount(), 5);
+        QCOMPARE(model->data(model->index(0, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 1"));
+        QCOMPARE(model->data(model->index(1, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 2"));
+        QCOMPARE(model->data(model->index(2, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 3"));
+        QCOMPARE(model->data(model->index(3, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 4"));
+        QCOMPARE(model->data(model->index(4, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 5"));
+
+        sourceModel->setHorizontalHeaderLabels({QStringLiteral("Test 1"),
+                                                QStringLiteral("Test 2"),
+                                                QStringLiteral("Test 6"),
+                                                QStringLiteral("Test 3"),
+                                                QStringLiteral("Test 4"),
+                                                QStringLiteral("Test 5")});
+
+        QCOMPARE(spy.count(), 3);
+        QCOMPARE(model->rowCount(), 6);
+        QCOMPARE(model->data(model->index(0, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 1"));
+        QCOMPARE(model->data(model->index(1, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 2"));
+        QCOMPARE(model->data(model->index(2, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 6"));
+        QCOMPARE(model->data(model->index(3, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 3"));
+        QCOMPARE(model->data(model->index(4, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 4"));
+        QCOMPARE(model->data(model->index(5, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 5"));
+    }
+
+    void testRemoveColumns()
+    {
+        auto model = new KColumnHeadersModel{this};
+
+        auto sourceModel = new QStandardItemModel{this};
+        sourceModel->setHorizontalHeaderLabels(
+            {QStringLiteral("Test 1"), QStringLiteral("Test 2"), QStringLiteral("Test 3"), QStringLiteral("Test 4"), QStringLiteral("Test 5")});
+
+        model->setSourceModel(sourceModel);
+
+        new QAbstractItemModelTester(model, this);
+
+        QSignalSpy spy{model, &QAbstractItemModel::rowsRemoved};
+        QVERIFY(spy.isValid());
+
+        QCOMPARE(model->rowCount(), 5);
+        QCOMPARE(model->data(model->index(0, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 1"));
+        QCOMPARE(model->data(model->index(1, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 2"));
+        QCOMPARE(model->data(model->index(2, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 3"));
+        QCOMPARE(model->data(model->index(3, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 4"));
+        QCOMPARE(model->data(model->index(4, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 5"));
+
+        sourceModel->takeColumn(4);
+
+        QCOMPARE(spy.count(), 1);
+
+        QCOMPARE(model->rowCount(), 4);
+        QCOMPARE(model->data(model->index(0, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 1"));
+        QCOMPARE(model->data(model->index(1, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 2"));
+        QCOMPARE(model->data(model->index(2, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 3"));
+        QCOMPARE(model->data(model->index(3, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 4"));
+
+        sourceModel->takeColumn(1);
+
+        QCOMPARE(spy.count(), 2);
+
+        QCOMPARE(model->rowCount(), 3);
+        QCOMPARE(model->data(model->index(0, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 1"));
+        QCOMPARE(model->data(model->index(1, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 3"));
+        QCOMPARE(model->data(model->index(2, 0), Qt::DisplayRole).toString(), QStringLiteral("Test 4"));
+    }
+};
+
+QTEST_MAIN(KColumnHeadersModelTest)
+
+#include "kcolumnheadersmodeltest.moc"