/* This file is part of the KDE libraries
   Copyright (C) 2002 Hans Petter bieker <bieker@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#ifndef KDATETIMEWIDGET
#define KDATETIMEWIDGET

#include <kdelibs4support_export.h>

#include <QWidget>
#include <QDateTime>

/**
 * @short A combination of a date and a time selection widget.
 *
 * This widget can be used to display or allow user selection of date and time.
 *
 * @see KDateWidget
 *
 * \image html kdatetimewidget.png "KDE Date Time Widget"
 *
 * @author Hans Petter Bieker <bieker@kde.org>
 */
class KDELIBS4SUPPORT_EXPORT KDateTimeWidget : public QWidget
{
    Q_OBJECT
    Q_PROPERTY(QDateTime dateTime READ dateTime WRITE setDateTime NOTIFY valueChanged USER true)

public:
    /**
     * Constructs a date and time selection widget.
     */
    explicit KDateTimeWidget(QWidget *parent = nullptr);

    /**
     * Constructs a date and time selection widget with the initial date and
     * time set to @p datetime.
     */
    explicit KDateTimeWidget(const QDateTime &datetime,
                             QWidget *parent = nullptr);

    /**
     * Destructs the date and time selection widget.
     */
    virtual ~KDateTimeWidget();

    /**
     * Returns the currently selected date and time.
     */
    QDateTime dateTime() const;

public Q_SLOTS:
    /**
     * Changes the selected date and time to @p datetime.
     */
    void setDateTime(const QDateTime &datetime);

Q_SIGNALS:
    /**
     * Emitted whenever the date or time of the widget
     * is changed, either with setDateTime() or via user selection.
     */
    void valueChanged(const QDateTime &datetime);

private:
    void initWidget();

private Q_SLOTS:
    void slotValueChanged();

private:
    class KDateTimeWidgetPrivate;
    KDateTimeWidgetPrivate *const d;
};

#endif
