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/klineediteventhandler.h

@@ -0,0 +1,35 @@
+/*
+    SPDX-FileCopyrightText: 2023 Volker Krause <vkrause@kde.org>
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#ifndef KLINEEDITEVENTHANDLER_H
+#define KLINEEDITEVENTHANDLER_H
+
+#include <kwidgetsaddons_export.h>
+
+class QObject;
+
+/**
+ * Event-handling utilities for QLineEdit instances.
+ *
+ * @since 6.0
+ */
+namespace KLineEditEventHandler
+{
+/** Do not propagate Return or Enter key presses in line edits.
+ *
+ *  QLineEdit::returnPressed() will still be emitted as normal, but the
+ *  key event isn't propagated further up the widget hierarchy. This is
+ *  useful to prevent closing a dialog for example.
+ */
+KWIDGETSADDONS_EXPORT void catchReturnKey(QObject *lineEdit);
+
+/**
+ * Handle drop events with URLs and replace the current line edit with the
+ * dropped URL.
+ */
+KWIDGETSADDONS_EXPORT void handleUrlDrops(QObject *lineEdit);
+};
+
+#endif