/* ============================================================
 *
 * This file is a part of digiKam project
 * http://www.digikam.org
 *
 * Date        : 2005-04-21
 * Description : slide show tool using preview of pictures.
 *
 * Copyright (C) 2005-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
 *
 * This program is free software; you can redistribute it
 * and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation;
 * either version 2, or (at your option)
 * any later version.
 *
 * This program 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 General Public License for more details.
 *
 * ============================================================ */

#ifndef SLIDE_SHOW_H
#define SLIDE_SHOW_H

// Qt includes

#include <QKeyEvent>
#include <QMouseEvent>
#include <QPaintEvent>
#include <QWheelEvent>
#include <QWidget>

// Local includes

#include "digikam_export.h"
#include "loadingdescription.h"
#include "slideshowsettings.h"

namespace Digikam
{

class DImg;
class SlideShowPriv;

class DIGIKAM_EXPORT SlideShow : public QWidget
{
    Q_OBJECT

public:

    SlideShow(const SlideShowSettings& settings);
    ~SlideShow();

    void setCurrent(const KUrl& url);

protected:

    void paintEvent(QPaintEvent *);
    void mousePressEvent(QMouseEvent *);
    void mouseMoveEvent(QMouseEvent *);
    void keyPressEvent(QKeyEvent *);
    void wheelEvent(QWheelEvent *);

private Q_SLOTS:

    void slotTimeOut();
    void slotMouseMoveTimeOut();
    void slotGotImagePreview(const LoadingDescription &, const DImg &);

    void slotPause();
    void slotPlay();
    void slotPrev();
    void slotNext();
    void slotClose();

private:

    void loadNextImage();
    void loadPrevImage();
    void preloadNextImage();
    void updatePixmap();
    void printInfoText(QPainter &p, int &offset, const QString& str);
    void printComments(QPainter &p, int &offset, const QString& comments);
    void setupRatingPixmap(const QColor& ratingColor);
    void inhibitScreenSaver();
    void allowScreenSaver();

private:

    SlideShowPriv* const d;
};

}  // namespace Digikam

#endif /* SLIDE_SHOW_H */
