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/kwin/source/src/keyboard_layout.h

@@ -0,0 +1,107 @@
+/*
+    KWin - the KDE window manager
+    This file is part of the KDE project.
+
+    SPDX-FileCopyrightText: 2016, 2017 Martin Gräßlin <mgraesslin@kde.org>
+
+    SPDX-License-Identifier: GPL-2.0-or-later
+*/
+#pragma once
+
+#include "input_event_spy.h"
+#include <QList>
+#include <QObject>
+#include <memory>
+#include <optional>
+
+#include <KConfigGroup>
+#include <KSharedConfig>
+typedef uint32_t xkb_layout_index_t;
+
+class QAction;
+class QDBusArgument;
+
+namespace KWin
+{
+class Xkb;
+class KeyboardLayoutDBusInterface;
+
+namespace KeyboardLayoutSwitching
+{
+class Policy;
+}
+
+class KWIN_EXPORT KeyboardLayout : public QObject, public InputEventSpy
+{
+    Q_OBJECT
+public:
+    explicit KeyboardLayout(Xkb *xkb, const KSharedConfigPtr &config);
+
+    ~KeyboardLayout() override;
+
+    void init();
+
+    void checkLayoutChange(uint previousLayout);
+    void switchToNextLayout();
+    void switchToPreviousLayout();
+    void switchToLastUsedLayout();
+    void resetLayout();
+
+Q_SIGNALS:
+    void layoutChanged(uint index);
+    void layoutsReconfigured();
+
+private Q_SLOTS:
+    void reconfigure();
+
+private:
+    void notifyLayoutChange();
+    void switchToLayout(xkb_layout_index_t index);
+    void loadShortcuts();
+    Xkb *m_xkb;
+    xkb_layout_index_t m_layout = 0;
+    KConfigGroup m_configGroup;
+    QList<QAction *> m_layoutShortcuts;
+    KeyboardLayoutDBusInterface *m_dbusInterface = nullptr;
+    std::unique_ptr<KeyboardLayoutSwitching::Policy> m_policy;
+    std::optional<uint> m_lastUsedLayout;
+};
+
+class KeyboardLayoutDBusInterface : public QObject
+{
+    Q_OBJECT
+    Q_CLASSINFO("D-Bus Interface", "org.kde.KeyboardLayouts")
+
+public:
+    explicit KeyboardLayoutDBusInterface(Xkb *xkb, const KConfigGroup &configGroup, KeyboardLayout *parent);
+    ~KeyboardLayoutDBusInterface() override;
+
+    struct LayoutNames
+    {
+        QString shortName;
+        QString displayName;
+        QString longName;
+    };
+
+public Q_SLOTS:
+    void switchToNextLayout();
+    void switchToPreviousLayout();
+    bool setLayout(uint index);
+    uint getLayout() const;
+    QList<LayoutNames> getLayoutsList() const;
+
+Q_SIGNALS:
+    void layoutChanged(uint index);
+    void layoutListChanged();
+
+private:
+    Xkb *m_xkb;
+    const KConfigGroup &m_configGroup;
+    KeyboardLayout *m_keyboardLayout;
+};
+
+QDBusArgument &operator<<(QDBusArgument &argument, const KeyboardLayoutDBusInterface::LayoutNames &layoutNames);
+const QDBusArgument &operator>>(const QDBusArgument &argument, KeyboardLayoutDBusInterface::LayoutNames &layoutNames);
+
+}
+Q_DECLARE_METATYPE(KWin::KeyboardLayoutDBusInterface::LayoutNames)