Implemented PictureViewer class

Don't call an external program for showing a picture. When an image is
doubleclicked a new windows shows the picture. Pictures can still be
opened in an exteral program by using the "Open with..." context menu
item.

1 files changed, 45 insertions, 0 deletions

diff --git a/pictureviewer.h b/pictureviewer.h
new file mode 100644
index 0000000..2791bbe
--- /dev/null
+++ b/pictureviewer.h
@@ -0,0 +1,45 @@
+/*
+  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>
+
+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);
+		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;
+};
+
+#endif