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-kwidgetsaddons/source/src/kpagewidget.h

@@ -0,0 +1,143 @@
+/*
+    This file is part of the KDE Libraries
+    SPDX-FileCopyrightText: 2006 Tobias Koenig <tokoe@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#ifndef KPAGEWIDGET_H
+#define KPAGEWIDGET_H
+
+#include <kpagewidgetmodel.h>
+
+#include "kpageview.h"
+
+class KPageWidgetPrivate;
+/**
+ * @class KPageWidget kpagewidget.h KPageWidget
+ *
+ * @short Page widget with many layouts (faces).
+ * A KPageView with hierarchical page model.
+ *
+ * @author Tobias Koenig (tokoe@kde.org)
+ */
+class KWIDGETSADDONS_EXPORT KPageWidget : public KPageView
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(KPageWidget)
+
+public:
+    /**
+     * Creates a new page widget.
+     *
+     * @param parent The parent widget.
+     */
+    explicit KPageWidget(QWidget *parent = nullptr);
+
+    /**
+     * Destroys the page widget.
+     */
+    ~KPageWidget() override;
+
+    /**
+     * Adds a new top level page to the widget.
+     *
+     * @param widget The widget of the page.
+     * @param name The name which is displayed in the navigation view.
+     *
+     * @returns The associated KPageWidgetItem.
+     */
+    KPageWidgetItem *addPage(QWidget *widget, const QString &name);
+
+    /**
+     * Adds a new top level page to the widget.
+     *
+     * @param item The KPageWidgetItem which describes the page.
+     */
+    void addPage(KPageWidgetItem *item);
+
+    /**
+     * Inserts a new page in the widget.
+     *
+     * @param before The new page will be insert before this KPageWidgetItem
+     *               on the same level in hierarchy.
+     * @param widget The widget of the page.
+     * @param name The name which is displayed in the navigation view.
+     *
+     * @returns The associated KPageWidgetItem.
+     */
+    KPageWidgetItem *insertPage(KPageWidgetItem *before, QWidget *widget, const QString &name);
+
+    /**
+     * Inserts a new page in the widget.
+     *
+     * @param before The new page will be insert before this KPageWidgetItem
+     *               on the same level in hierarchy.
+     *
+     * @param item The KPageWidgetItem which describes the page.
+     */
+    void insertPage(KPageWidgetItem *before, KPageWidgetItem *item);
+
+    /**
+     * Inserts a new sub page in the widget.
+     *
+     * @param parent The new page will be insert as child of this KPageWidgetItem.
+     * @param widget The widget of the page.
+     * @param name The name which is displayed in the navigation view.
+     *
+     * @returns The associated KPageWidgetItem.
+     */
+    KPageWidgetItem *addSubPage(KPageWidgetItem *parent, QWidget *widget, const QString &name);
+
+    /**
+     * Inserts a new sub page in the widget.
+     *
+     * @param parent The new page will be insert as child of this KPageWidgetItem.
+     *
+     * @param item The KPageWidgetItem which describes the page.
+     */
+    void addSubPage(KPageWidgetItem *parent, KPageWidgetItem *item);
+
+    /**
+     * Removes the page associated with the given KPageWidgetItem.
+     */
+    void removePage(KPageWidgetItem *item);
+
+    /**
+     * Sets the page which is associated with the given KPageWidgetItem to
+     * be the current page and emits the currentPageChanged() signal.
+     */
+    void setCurrentPage(KPageWidgetItem *item);
+
+    /**
+     * Returns the KPageWidgetItem for the current page or a null pointer if there is no
+     * current page.
+     */
+    KPageWidgetItem *currentPage() const;
+
+Q_SIGNALS:
+    /**
+     * This signal is emitted whenever the current page has changed.
+     *
+     * @param current The new current page or a null pointer if no current page is available.
+     * @param before The page that was current before the new current page has changed.
+     */
+    void currentPageChanged(KPageWidgetItem *current, KPageWidgetItem *before);
+
+    /**
+     * This signal is emitted whenever a checkable page changes its state. @param checked is true
+     * when the @p page is checked, or false if the @p page is unchecked.
+     */
+    void pageToggled(KPageWidgetItem *page, bool checked);
+
+    /**
+     * This signal is emitted when a page is removed.
+     * @param page The page which is removed
+     * */
+    void pageRemoved(KPageWidgetItem *page);
+
+protected:
+    KWIDGETSADDONS_NO_EXPORT KPageWidget(KPageWidgetPrivate &dd, QWidget *parent);
+};
+
+#endif