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/kfontsizeaction.h

@@ -0,0 +1,58 @@
+/*
+    This file is part of the KDE libraries
+    SPDX-FileCopyrightText: 1999 Reginald Stadlbauer <reggie@kde.org>
+    SPDX-FileCopyrightText: 1999 Simon Hausmann <hausmann@kde.org>
+    SPDX-FileCopyrightText: 2000 Nicolas Hadacek <haadcek@kde.org>
+    SPDX-FileCopyrightText: 2000 Kurt Granroth <granroth@kde.org>
+    SPDX-FileCopyrightText: 2000 Michael Koch <koch@kde.org>
+    SPDX-FileCopyrightText: 2001 Holger Freyther <freyther@kde.org>
+    SPDX-FileCopyrightText: 2002 Ellis Whitehead <ellis@kde.org>
+    SPDX-FileCopyrightText: 2003 Andras Mantia <amantia@kde.org>
+    SPDX-FileCopyrightText: 2005-2006 Hamish Rodda <rodda@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.0-only
+*/
+
+#ifndef KFONTSIZEACTION_H
+#define KFONTSIZEACTION_H
+
+#include <kselectaction.h>
+
+class KFontSizeActionPrivate;
+
+/**
+ * @class KFontSizeAction kfontsizeaction.h KFontSizeAction
+ *
+ * An action to allow changing of the font size.
+ * This action will be shown as a combobox on a toolbar with a proper set of font sizes.
+ */
+class KWIDGETSADDONS_EXPORT KFontSizeAction : public KSelectAction
+{
+    Q_OBJECT
+    Q_PROPERTY(int fontSize READ fontSize WRITE setFontSize)
+
+public:
+    explicit KFontSizeAction(QObject *parent);
+    KFontSizeAction(const QString &text, QObject *parent);
+    KFontSizeAction(const QIcon &icon, const QString &text, QObject *parent);
+
+    ~KFontSizeAction() override;
+
+    int fontSize() const;
+
+    void setFontSize(int size);
+
+Q_SIGNALS:
+    void fontSizeChanged(int);
+
+protected Q_SLOTS:
+    /**
+     * This function is called whenever an action from the selections is triggered.
+     */
+    void slotActionTriggered(QAction *action) override;
+
+private:
+    Q_DECLARE_PRIVATE(KFontSizeAction)
+};
+
+#endif