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/kdatetable_p.h

@@ -0,0 +1,163 @@
+/*  -*- C++ -*-
+    This file is part of the KDE libraries
+    SPDX-FileCopyrightText: 1997 Tim D. Gilman <tdgilman@best.org>
+    SPDX-FileCopyrightText: 1998-2001 Mirko Boehm <mirko@kde.org>
+    SPDX-FileCopyrightText: 2007 John Layt <john@layt.net>
+
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#ifndef KDATETABLE_H
+#define KDATETABLE_H
+
+#include <QWidget>
+#include <memory>
+
+class QMenu;
+
+/**
+ * @internal
+ * Date selection table.
+ * This is a support class for the KDatePicker class.  It just
+ * draws the calendar table without titles, but could theoretically
+ * be used as a standalone.
+ *
+ * When a date is selected by the user, it emits a signal:
+ * dateSelected(QDate)
+ *
+ * \image html kdatetable.png "KDE Date Selection Table"
+ *
+ * @author Tim Gilman, Mirko Boehm
+ */
+class KDateTable : public QWidget
+{
+    Q_OBJECT
+    Q_PROPERTY(QDate date READ date WRITE setDate)
+    Q_PROPERTY(bool popupMenu READ popupMenuEnabled WRITE setPopupMenuEnabled)
+
+public:
+    /**
+     * The constructor.
+     */
+    explicit KDateTable(QWidget *parent = nullptr);
+
+    /**
+     * The constructor.
+     */
+    explicit KDateTable(const QDate &, QWidget *parent = nullptr);
+
+    /**
+     * The destructor.
+     */
+    ~KDateTable() override;
+
+    /**
+     * Returns a recommended size for the widget.
+     * To save some time, the size of the largest used cell content is
+     * calculated in each paintCell() call, since all calculations have
+     * to be done there anyway. The size is stored in maxCell. The
+     * sizeHint() simply returns a multiple of maxCell.
+     */
+    QSize sizeHint() const override;
+
+    /**
+     * Set the font size of the date table.
+     */
+    void setFontSize(int size);
+
+    /**
+     * Select and display this date.
+     */
+    bool setDate(const QDate &date);
+
+    /**
+     * @returns the selected date.
+     */
+    const QDate &date() const;
+
+    /**
+     * Enables a popup menu when right clicking on a date.
+     *
+     * When it's enabled, this object emits a aboutToShowContextMenu signal
+     * where you can fill in the menu items.
+     */
+    void setPopupMenuEnabled(bool enable);
+
+    /**
+     * Returns if the popup menu is enabled or not
+     */
+    bool popupMenuEnabled() const;
+
+    enum BackgroundMode { NoBgMode = 0, RectangleMode, CircleMode };
+
+    /**
+     * Makes a given date be painted with a given foregroundColor, and background
+     * (a rectangle, or a circle/ellipse) in a given color.
+     */
+    void setCustomDatePainting(const QDate &date, const QColor &fgColor, BackgroundMode bgMode = NoBgMode, const QColor &bgColor = QColor());
+
+    /**
+     * Unsets the custom painting of a date so that the date is painted as usual.
+     */
+    void unsetCustomDatePainting(const QDate &date);
+
+protected:
+    /**
+     * calculate the position of the cell in the matrix for the given date.
+     * The result is the 0-based index.
+     */
+    virtual int posFromDate(const QDate &date);
+
+    /**
+     * calculate the date that is displayed at a given cell in the matrix. pos is the
+     * 0-based index in the matrix. Inverse function to posForDate().
+     */
+    virtual QDate dateFromPos(int pos);
+
+    void paintEvent(QPaintEvent *e) override;
+
+    /**
+     * React on mouse clicks that select a date.
+     */
+    void mousePressEvent(QMouseEvent *e) override;
+    void wheelEvent(QWheelEvent *e) override;
+    void keyPressEvent(QKeyEvent *e) override;
+    void focusInEvent(QFocusEvent *e) override;
+    void focusOutEvent(QFocusEvent *e) override;
+
+    /**
+     * Cell highlight on mouse hovering
+     */
+    bool event(QEvent *e) override;
+
+Q_SIGNALS:
+    /**
+     * The selected date changed.
+     */
+    void dateChanged(const QDate &date);
+
+    /**
+     * A date has been selected by clicking on the table.
+     */
+    void tableClicked();
+
+    /**
+     * A popup menu for a given date is about to be shown (as when the user
+     * right clicks on that date and the popup menu is enabled). Connect
+     * the slot where you fill the menu to this signal.
+     */
+    void aboutToShowContextMenu(QMenu *menu, const QDate &date);
+
+private:
+    class KDateTablePrivate;
+    friend class KDateTablePrivate;
+    std::unique_ptr<KDateTablePrivate> const d;
+
+    void initWidget(const QDate &date);
+    void initAccels();
+    void paintCell(QPainter *painter, int row, int col);
+
+    Q_DISABLE_COPY(KDateTable)
+};
+
+#endif // KDATETABLE_H