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/kdatecombobox.h

@@ -0,0 +1,300 @@
+/*
+    SPDX-FileCopyrightText: 2011 John Layt <john@layt.net>
+
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+#ifndef KDATECOMBOBOX_H
+#define KDATECOMBOBOX_H
+
+#include <kwidgetsaddons_export.h>
+
+#include <QComboBox>
+#include <QLocale>
+#include <memory>
+
+/**
+ * @class KDateComboBox kdatecombobox.h KDateComboBox
+ *
+ * @short A combobox for dates.
+ */
+class KWIDGETSADDONS_EXPORT KDateComboBox : public QComboBox
+{
+    Q_OBJECT
+
+    Q_PROPERTY(QDate date READ date WRITE setDate NOTIFY dateChanged USER true)
+    Q_PROPERTY(QDate minimumDate READ minimumDate WRITE setMinimumDate RESET resetMinimumDate)
+    Q_PROPERTY(QDate maximumDate READ maximumDate WRITE setMaximumDate RESET resetMaximumDate)
+    Q_PROPERTY(Options options READ options WRITE setOptions)
+
+public:
+    /**
+     * Options provided by the widget
+     * @see options()
+     * @see setOptions()
+     * @see Options
+     */
+    enum Option {
+        EditDate = 0x0001, /**< Allow the user to manually edit the date in the combo line edit */
+        SelectDate = 0x0002, /**< Allow the user to select the date from a drop-down menu */
+        DatePicker = 0x0004, /**< Show a date picker in the drop-down */
+        DateKeywords = 0x0008, /**< Show date keywords in the drop-down */
+        WarnOnInvalid = 0x0010, /**< Show a warning on focus out if the date is invalid */
+    };
+    /**
+     * Stores a combination of #Option values.
+     */
+    Q_DECLARE_FLAGS(Options, Option)
+    Q_FLAG(Options)
+
+    /**
+     * Create a new KDateComboBox widget
+     *
+     * By default the EditDate, SelectDate, DatePicker and DateKeywords options
+     * are enabled, the ShortDate format is used and the date is set to the
+     * current date.
+     */
+    explicit KDateComboBox(QWidget *parent = nullptr);
+
+    /**
+     * Destroy the widget
+     */
+    ~KDateComboBox() override;
+
+    /**
+     * Return the currently selected date
+     *
+     * @return the currently selected date
+     */
+    QDate date() const;
+
+    /**
+     * Return if the current user input is valid
+     *
+     * If the user input is null then it is not valid
+     *
+     * @return if the current user input is valid
+     *
+     * @see isNull()
+     */
+    bool isValid() const;
+
+    /**
+     * Return if the current user input is null
+     *
+     * @return if the current user input is null
+     *
+     * @see isValid()
+     */
+    bool isNull() const;
+
+    /**
+     * Return the currently set widget options
+     *
+     * @return the currently set widget options
+     */
+    Options options() const;
+
+    /**
+     * Return the currently set date display format
+     *
+     * By default this is the Short Format
+     *
+     * @return the currently set date format
+     */
+    QLocale::FormatType displayFormat() const;
+
+    /**
+     * Return the current minimum date
+     *
+     * @return the current minimum date
+     */
+    QDate minimumDate() const;
+
+    /**
+     * Return the current maximum date
+     *
+     * @return the current maximum date
+     */
+    QDate maximumDate() const;
+
+    /**
+     * Return the map of dates listed in the drop-down and their displayed
+     * string forms.
+     *
+     * @return the select date map
+     *
+     * @see setDateMap()
+     */
+    QMap<QDate, QString> dateMap() const;
+
+Q_SIGNALS:
+
+    /**
+     * Signal if the date has been manually entered (by typing a date and losing focus, or pressing Enter)
+     * or selected by the user (using the popup selector, or up, down, page up, page down keys, or the mouse wheel).
+     *
+     * The emitted date may be invalid.
+     *
+     * @param date the new date
+     */
+    void dateEntered(const QDate &date);
+
+    /**
+     * Signal if the date has been changed either manually by the user
+     * or programmatically.
+     *
+     * The emitted date may be invalid.
+     *
+     * @param date the new date
+     */
+    void dateChanged(const QDate &date);
+
+    /**
+     * Signal if the date is being manually edited by the user.
+     *
+     * The emitted date may be invalid, or may not yet be what the user intends as the final date.
+     *
+     * @param date the new date
+     */
+    void dateEdited(const QDate &date);
+
+public Q_SLOTS:
+
+    /**
+     * Set the currently selected date
+     *
+     * You can set an invalid date or a date outside the valid range, validity
+     * checking is only done via isValid().
+     *
+     * @param date the new date
+     */
+    void setDate(const QDate &date);
+
+    /**
+     * Set the new widget options
+     *
+     * @param options the new widget options
+     */
+    void setOptions(Options options);
+
+    /**
+     * Sets the date format to display.
+     *
+     * By default is the Short Format.
+     *
+     * @param format the date format to use
+     */
+    void setDisplayFormat(QLocale::FormatType format);
+
+    /**
+     * Set the valid date range to be applied by isValid().
+     *
+     * Both dates must be valid and the minimum date must be less than or equal
+     * to the maximum date, otherwise the date range will not be set.
+     *
+     * @param minDate the minimum date
+     * @param maxDate the maximum date
+     * @param minWarnMsg the minimum warning message
+     * @param maxWarnMsg the maximum warning message
+     */
+    void setDateRange(const QDate &minDate, const QDate &maxDate, const QString &minWarnMsg = QString(), const QString &maxWarnMsg = QString());
+
+    /**
+     * Reset the minimum and maximum date to the default values.
+     * @see setDateRange()
+     */
+    void resetDateRange();
+
+    /**
+     * Set the minimum allowed date.
+     *
+     * If the date is invalid, or greater than current maximum,
+     * then the minimum will not be set.
+     *
+     * @param minDate the minimum date
+     * @param minWarnMsg the minimum warning message
+     *
+     * @see minimumDate()
+     * @see maximumDate()
+     * @see setMaximumDate()
+     * @see setDateRange()
+     */
+    void setMinimumDate(const QDate &minDate, const QString &minWarnMsg = QString());
+
+    /**
+     * Reset the minimum date to the default.
+     *
+     * The default is to have no minimum date.
+     */
+    void resetMinimumDate();
+
+    /**
+     * Set the maximum allowed date.
+     *
+     * If the date is invalid, or less than current minimum,
+     * then the maximum will not be set.
+     *
+     * @param maxDate the maximum date
+     * @param maxWarnMsg the maximum warning message
+     *
+     * @see minimumDate()
+     * @see maximumDate()
+     * @see setMaximumDate()
+     * @see setDateRange()
+     */
+    void setMaximumDate(const QDate &maxDate, const QString &maxWarnMsg = QString());
+
+    /**
+     * Reset the maximum date to the default
+     *
+     * The default is to have no maximum date.
+     */
+    void resetMaximumDate();
+
+    /**
+     * Set the list of dates able to be selected from the drop-down and the
+     * string form to display for those dates, e.g. "2010-01-01" and "Yesterday".
+     *
+     * Any invalid or duplicate dates will be used, the list will NOT be
+     * sorted, and the minimum and maximum date will not be affected.
+     *
+     * The @p dateMap is keyed by the date to be listed and the value is the
+     * string to be displayed.  If you want the date to be displayed in the
+     * default date format then the string should be null.  If you want a
+     * separator to be displayed then set the string to "separator".
+     *
+     * @param dateMap the map of dates able to be selected
+     *
+     * @see dateMap()
+     */
+    void setDateMap(QMap<QDate, QString> dateMap);
+
+protected:
+    bool eventFilter(QObject *object, QEvent *event) override;
+    void showPopup() override;
+    void hidePopup() override;
+    void mousePressEvent(QMouseEvent *event) override;
+    void wheelEvent(QWheelEvent *event) override;
+    void keyPressEvent(QKeyEvent *event) override;
+    void focusInEvent(QFocusEvent *event) override;
+    void focusOutEvent(QFocusEvent *event) override;
+    void resizeEvent(QResizeEvent *event) override;
+
+    /**
+     * Assign the date for the widget.
+     *
+     * Virtual to allow sub-classes to apply extra validation rules.
+     *
+     * @param date the new date
+     */
+    virtual void assignDate(const QDate &date);
+
+private:
+    friend class KDateComboBoxPrivate;
+    std::unique_ptr<class KDateComboBoxPrivate> const d;
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(KDateComboBox::Options)
+
+#endif // KDATECOMBOBOX_H