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-kwindowsystem/source/src/kusertimestamp.cpp

@@ -0,0 +1,49 @@
+/*
+    This file is part of the KDE libraries
+    SPDX-FileCopyrightText: 2003 Luboš Luňák <l.lunak@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.1-or-later
+*/
+
+#include "kusertimestamp.h"
+
+#include "config-kwindowsystem.h"
+#include "kwindowsystem.h"
+
+#if KWINDOWSYSTEM_HAVE_X11
+
+#include <private/qtx11extras_p.h>
+
+#include <netwm.h>
+#endif
+
+unsigned long KUserTimestamp::userTimestamp()
+{
+    if (KWindowSystem::isPlatformX11()) {
+#if KWINDOWSYSTEM_HAVE_X11
+        return QX11Info::appUserTime();
+#endif
+    }
+    return 0;
+}
+
+void KUserTimestamp::updateUserTimestamp(unsigned long time)
+{
+#if KWINDOWSYSTEM_HAVE_X11
+    if (!KWindowSystem::isPlatformX11()) {
+        return;
+    }
+    if (time == 0) { // get current X timestamp
+        time = QX11Info::getTimestamp();
+    }
+
+    if (QX11Info::appUserTime() == 0 || NET::timestampCompare(time, QX11Info::appUserTime()) > 0) { // time > appUserTime
+        QX11Info::setAppUserTime(time);
+    }
+    if (QX11Info::appTime() == 0 || NET::timestampCompare(time, QX11Info::appTime()) > 0) { // time > appTime
+        QX11Info::setAppTime(time);
+    }
+#else
+    Q_UNUSED(time)
+#endif
+}