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/wayland/relativepointer_v1.h

@@ -0,0 +1,39 @@
+/*
+    SPDX-FileCopyrightText: 2016 Martin Gräßlin <mgraesslin@kde.org>
+    SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#pragma once
+
+#include "kwin_export.h"
+
+#include <QObject>
+#include <memory>
+
+namespace KWin
+{
+class Display;
+class RelativePointerManagerV1InterfacePrivate;
+
+/**
+ * Manager object to create relative pointer interfaces.
+ *
+ * Once created the interaction happens through the SeatInterface class
+ * which automatically delegates relative motion events to the created relative pointer
+ * interfaces.
+ */
+class KWIN_EXPORT RelativePointerManagerV1Interface : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit RelativePointerManagerV1Interface(Display *display, QObject *parent = nullptr);
+    ~RelativePointerManagerV1Interface() override;
+
+private:
+    std::unique_ptr<RelativePointerManagerV1InterfacePrivate> d;
+};
+
+} // namespace KWin