/*
  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 of the License, or (at your option) any later version.
*/

#ifndef PICTUREVIEWER_H
#define PICTUREVIEWER_H

#include <QGraphicsView>
#include <QFileInfoList>
#include <QGraphicsItem>

class QGraphicsScene;
class QGraphicsPixmapItem;
class QWheelEvent;
class PictureviewerInfoItem;

class PictureViewer : public QGraphicsView {
	Q_OBJECT
	public:
		PictureViewer(QWidget *parent = 0);

	public slots:
		void showPic(const QString &path, bool enableDirEntries = true);
		void next();
		void previous();

	protected:
		void wheelEvent(QWheelEvent *event);

	private:
		void setGradient();
		void setDir(const QString &path);
		bool isPic(const QString &path);
		QPointF center(const QPixmap &pic);
		QGraphicsScene *mScene;
		QGraphicsPixmapItem *mCurrentPic;
		PictureviewerInfoItem *mInfoItem;
		QString mCurrentDir;
		QFileInfoList mDirEntries;
		QFileInfoList::const_iterator mCurrentEntry;
};

class PictureviewerInfoItem : public QGraphicsItem {
	public:
		PictureviewerInfoItem(const QString &fileName, QGraphicsItem *parent = 0);
		QRectF boundingRect() const;
		void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);

	private:
		const QString mFileName;
};

#endif