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/kdaterangecontrol.cpp

@@ -0,0 +1,25 @@
+/*
+    SPDX-FileCopyrightText: 2011 John Layt <john@layt.net>
+    SPDX-FileCopyrightText: 2022 Volker Krause <vkrause@kde.org>
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#include "kdaterangecontrol_p.h"
+
+bool KDateRangeControlPrivate::isInDateRange(const QDate &date) const
+{
+    return date.isValid() //
+        && (!m_minDate.isValid() || date >= m_minDate) //
+        && (!m_maxDate.isValid() || date <= m_maxDate);
+}
+
+bool KDateRangeControlPrivate::setDateRange(const QDate &minDate, const QDate &maxDate)
+{
+    if (minDate.isValid() && maxDate.isValid() && minDate > maxDate) {
+        return false;
+    }
+
+    m_minDate = minDate;
+    m_maxDate = maxDate;
+    return true;
+}