qBittorrent
downloadedpiecesbar.h
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1 /*
2  * Bittorrent Client using Qt and libtorrent.
3  * Copyright (C) 2006 Christophe Dumez <chris@qbittorrent.org>
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  *
19  * In addition, as a special exception, the copyright holders give permission to
20  * link this program with the OpenSSL project's "OpenSSL" library (or with
21  * modified versions of it that use the same license as the "OpenSSL" library),
22  * and distribute the linked executables. You must obey the GNU General Public
23  * License in all respects for all of the code used other than "OpenSSL". If you
24  * modify file(s), you may extend this exception to your version of the file(s),
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27  */
28 
29 #pragma once
30 
31 #include <QBitArray>
32 #include <QtContainerFwd>
33 
34 #include "piecesbar.h"
35 
36 class QWidget;
37 
38 class DownloadedPiecesBar final : public PiecesBar
39 {
40  using base = PiecesBar;
41  Q_OBJECT
42  Q_DISABLE_COPY_MOVE(DownloadedPiecesBar)
43 
44 public:
45  DownloadedPiecesBar(QWidget *parent);
46 
47  void setProgress(const QBitArray &pieces, const QBitArray &downloadedPieces);
48 
49  // PiecesBar interface
50  void clear() override;
51 
52 private:
53  // scale bitfield vector to float vector
54  QVector<float> bitfieldToFloatVector(const QBitArray &vecin, int reqSize);
55  virtual bool updateImage(QImage &image) override;
56  QString simpleToolTipText() const override;
57 
58  // incomplete piece color
59  const QColor m_dlPieceColor;
60  // last used bitfields, uses to better resize redraw
61  // TODO: make a diff pieces to new pieces and update only changed pixels, speedup when update > 20x faster
62  QBitArray m_pieces;
63  QBitArray m_downloadedPieces;
64 };
DownloadedPiecesBar(QWidget *parent)
QVector< float > bitfieldToFloatVector(const QBitArray &vecin, int reqSize)
QString simpleToolTipText() const override
virtual bool updateImage(QImage &image) override
void setProgress(const QBitArray &pieces, const QBitArray &downloadedPieces)
PiecesBar(QWidget *parent=nullptr)
Definition: piecesbar.cpp:113