src/gui/properties/downloadedpiecesbar.h

   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),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  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 };