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/tests/proxymodeltestapp/scriptablereparentingwidget.h

@@ -0,0 +1,52 @@
+/*
+    SPDX-FileCopyrightText: 2009 Stephen Kelly <steveire@gmail.com>
+
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#ifndef SCRIPTABLEREPARENTINGWIDGET_H
+#define SCRIPTABLEREPARENTINGWIDGET_H
+
+#include <QJSValue>
+#include <QWidget>
+
+#include "kreparentingproxymodel.h"
+
+class QComboBox;
+class QTreeView;
+class QPlainTextEdit;
+class QJSEngine;
+
+class ScriptableReparentingProxyModel : public KReparentingProxyModel
+{
+    Q_OBJECT
+public:
+    ScriptableReparentingProxyModel(QObject *parent = nullptr);
+
+    bool isDescendantOf(const QModelIndex &ancestor, const QModelIndex &descendant) const override;
+
+    void setImplementation(const QString &implementation);
+
+private:
+    QJSEngine *m_scriptEngine;
+    mutable QJSValue m_implementationFunction;
+};
+
+class ScriptableReparentingWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    ScriptableReparentingWidget(QAbstractItemModel *rootModel, QWidget *parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());
+
+private Q_SLOTS:
+    void textChanged();
+    void setExampleFunction(int index);
+
+private:
+    QComboBox *m_comboBox;
+    ScriptableReparentingProxyModel *m_reparentingProxyModel;
+    QTreeView *m_treeView;
+    QPlainTextEdit *m_textEdit;
+};
+
+#endif // SCRIPTABLEREPARENTINGWIDGET_H