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+/***************************************************************************
+ * Copyright (C) 2005 by *
+ * Joris Guisson <joris.guisson@gmail.com> *
+ * Vincent Wagelaar <vincent@ricardis.tudelft.nl> *
+ * *
+ * 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. *
+ * *
+ * 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. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
+ ***************************************************************************/
+#ifndef CHUNKBAR_H
+#define CHUNKBAR_H
+
+#include <qlabel.h>
+#include <util/bitset.h>
+#include <qpixmap.h>
+
+class QPainter;
+
+namespace kt
+{
+ class TorrentInterface;
+}
+
+namespace bt
+{
+ class BitSet;
+}
+
+namespace kt
+{
+
+ /**
+ * @author Joris Guisson, Vincent Wagelaar
+ *
+ * Bar which displays BitSets, subclasses need to fill the BitSet.
+ * BitSets can represent which chunks are downloaded, which chunks are available
+ * and which chunks are excluded.
+ */
+ class ChunkBar : public QFrame
+ {
+ Q_OBJECT
+ public:
+ ChunkBar(QWidget *parent = 0, const char *name = 0);
+ virtual ~ChunkBar();
+
+ void setTC(kt::TorrentInterface* tc);
+
+ virtual const bt::BitSet & getBitSet() const = 0;
+ virtual void drawContents(QPainter *p);
+ virtual void updateBar();
+
+ private:
+ void drawEqual(QPainter *p,const bt::BitSet & bs,const QColor & color);
+ void drawMoreChunksThenPixels(QPainter *p,const bt::BitSet & bs,const QColor & color);
+ void drawAllOn(QPainter *p,const QColor & color);
+ void drawBarContents(QPainter *p);
+
+ protected:
+ kt::TorrentInterface* curr_tc;
+ bool show_excluded;
+ bt::BitSet curr,curr_ebs;
+ QPixmap pixmap;
+ };
+}
+
+#endif