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/kcolumnresizer.h

@@ -0,0 +1,113 @@
+/*
+    This file is part of the KDE frameworks
+    SPDX-FileCopyrightText: 2014 Aurélien Gâteau <agateau@kde.org>
+
+    SPDX-License-Identifier: LGPL-2.1-or-later
+*/
+#ifndef KCOLUMNRESIZER_H
+#define KCOLUMNRESIZER_H
+
+#include <kwidgetsaddons_export.h>
+
+#include <QFormLayout>
+#include <QObject>
+
+#include <memory>
+
+class QEvent;
+class QGridLayout;
+class QLayout;
+class QWidget;
+
+/**
+ * @class KColumnResizer kcolumnresizer.h KColumnResizer
+ *
+ * @short Maintains consistent column sizes across layouts
+ *
+ * KColumnResizer is a helper class which can force columns of different layouts
+ * to keep the same width. It is useful to keep label columns consistent.
+ *
+ * It works with QGridLayout and QFormLayout.
+ *
+ * @image html kcolumnresizer.png "left: without KColumnResizer - right: with KColumnResizer"
+ *
+ * Here is a typical example:
+ *
+ * @code
+ *  void Window::createWidgets()
+ *  {
+ *      QVBoxLayout *layout = new QVBoxLayout(this);
+ *
+ *      QGroupBox *box1 = new QGroupBox();
+ *      // Fill box1
+ *      // ...
+ *      layout->addWidget(box1);
+ *
+ *      QGroupBox *box2 = new QGroupBox();
+ *      // Fill box2
+ *      // ...
+ *      layout->addWidget(box2);
+ *
+ *      KColumnResizer *resizer = new KColumnResizer(this);
+ *      resizer->addWidgetsFromLayout(box1->layout(), 0);
+ *      resizer->addWidgetsFromLayout(box2->layout(), 0);
+ *  }
+ * @endcode
+ *
+ * In this example box1 and box2 children can be organized using QGridLayout or
+ * QFormLayout, resizer will ensure the first columns of the two QGroupBox stay
+ * the same width.
+ *
+ * @author Aurélien Gâteau <agateau@kde.org>
+ *
+ * @since 5.1
+ */
+class KWIDGETSADDONS_EXPORT KColumnResizer : public QObject
+{
+    Q_OBJECT
+public:
+    /**
+     * Constructs a KColumnResizer.
+     */
+    explicit KColumnResizer(QObject *parent = nullptr);
+
+    ~KColumnResizer() override;
+
+    /**
+     * Add all widgets from @p layout which are in column @p column to the list
+     * of widgets to manage.
+     *
+     * @param layout The layout containing the widgets to add. KColumnResizer
+     * supports QGridLayout and QFormLayout.
+     * @param column The column number which contains the widgets. If layout is
+     * a QFormLayout, column should not be higher than QFormLayout::SpanningRole
+     */
+    void addWidgetsFromLayout(QLayout *layout, int column = 0);
+
+    /**
+     * Add a single widget to the list of widgets whose width is monitored.
+     *
+     * It is more common to use addWidgetsFromLayout(), but adding single
+     * widgets can be useful if you want to keep a single button the same width
+     * as a column in a layout.
+     *
+     * @param widget The widget to add
+     */
+    void addWidget(QWidget *widget);
+
+    /**
+     * Remove a widget previously added by addWidget or addWidgetsFromLayout.
+     *
+     * @param widget The widget to remove
+     */
+    void removeWidget(QWidget *widget);
+
+protected:
+    bool eventFilter(QObject *, QEvent *event) override;
+
+private:
+    std::unique_ptr<class KColumnResizerPrivate> const d;
+    Q_DISABLE_COPY(KColumnResizer)
+};
+
+#endif /* KCOLUMNRESIZER_H */