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/kjobwidgets.cpp

@@ -0,0 +1,70 @@
+/*
+    This file is part of the KDE libraries
+    SPDX-FileCopyrightText: 2013 David Faure <faure@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.0-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
+*/
+
+#include "kjobwidgets.h"
+#include <QPointer>
+#include <QVariant>
+#include <QWidget>
+#include <QWindow>
+
+void KJobWidgets::setWindow(QObject *job, QWidget *widget)
+{
+    QPointer<QWidget> p = widget;
+    job->setProperty("widget", QVariant::fromValue(p));
+
+    QPointer<QWindow> windowHandle = widget ? widget->windowHandle() : nullptr;
+    job->setProperty("window", QVariant::fromValue(windowHandle));
+    if (windowHandle) {
+        job->setProperty("window-id", QVariant::fromValue(windowHandle->winId()));
+    }
+}
+
+#if KWIDGETSADDONS_BUILD_DEPRECATED_SINCE(6, 5)
+void KJobWidgets::setWindowHandle(QObject *job, QWindow *window)
+{
+    job->setProperty("window", QVariant::fromValue(window));
+    if (window) {
+        job->setProperty("window-id", QVariant::fromValue(window->winId()));
+    }
+}
+#endif
+
+QWidget *KJobWidgets::window(QObject *job)
+{
+    return job->property("widget").value<QPointer<QWidget>>();
+}
+
+#if KWIDGETSADDONS_BUILD_DEPRECATED_SINCE(6, 5)
+QWindow *KJobWidgets::windowHandle(QObject *job)
+{
+    return job->property("window").value<QPointer<QWindow>>();
+}
+#endif
+
+// duplicated from kwindowsystem
+static int timestampCompare(unsigned long time1_, unsigned long time2_) // like strcmp()
+{
+    quint32 time1 = time1_;
+    quint32 time2 = time2_;
+    if (time1 == time2) {
+        return 0;
+    }
+    return quint32(time1 - time2) < 0x7fffffffU ? 1 : -1; // time1 > time2 -> 1, handle wrapping
+}
+
+void KJobWidgets::updateUserTimestamp(QObject *job, unsigned long time)
+{
+    unsigned long currentTimestamp = userTimestamp(job);
+    if (currentTimestamp == 0 || timestampCompare(time, currentTimestamp) > 0) {
+        job->setProperty("userTimestamp", qulonglong(time));
+    }
+}
+
+unsigned long KJobWidgets::userTimestamp(QObject *job)
+{
+    return job->property("userTimestamp").toULongLong();
+}