src/gui/properties/downloadedpiecesbar.h

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2024  Vladimir Golovnev <glassez@yandex.ru>
   4  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  *
  20  * In addition, as a special exception, the copyright holders give permission to
  21  * link this program with the OpenSSL project's "OpenSSL" library (or with
  22  * modified versions of it that use the same license as the "OpenSSL" library),
  23  * and distribute the linked executables. You must obey the GNU General Public
  24  * License in all respects for all of the code used other than "OpenSSL".  If you
  25  * modify file(s), you may extend this exception to your version of the file(s),
  26  * but you are not obligated to do so. If you do not wish to do so, delete this
  27  * exception statement from your version.
  28  */
  29
  30 #pragma once
  31
  32 #include <QBitArray>
  33 #include <QtContainerFwd>
  34
  35 #include "piecesbar.h"
  36
  37 class QWidget;
  38
  39 class DownloadedPiecesBar final : public PiecesBar
  40 {
  41     using base = PiecesBar;
  42     Q_OBJECT
  43     Q_DISABLE_COPY_MOVE(DownloadedPiecesBar)
  44
  45 public:
  46     DownloadedPiecesBar(QWidget *parent);
  47
  48     void setProgress(const QBitArray &pieces, const QBitArray &downloadedPieces);
  49
  50     // PiecesBar interface
  51     void clear() override;
  52
  53 private:
  54     // scale bitfield vector to float vector
  55     QList<float> bitfieldToFloatVector(const QBitArray &vecin, int reqSize);
  56     QImage renderImage() override;
  57     QString simpleToolTipText() const override;
  58     void updateColors() override;
  59     void updateColorsImpl();
  60
  61     // incomplete piece color
  62     QColor m_dlPieceColor;
  63     // last used bitfields, uses to better resize redraw
  64     // TODO: make a diff pieces to new pieces and update only changed pixels, speedup when update > 20x faster
  65     QBitArray m_pieces;
  66     QBitArray m_downloadedPieces;
  67 };