src/qt/trafficgraphwidget.h

   1 // Copyright (c) 2011-2013 The Bitcoin Core developers
   2 // Distributed under the MIT software license, see the accompanying
   3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4
   5 #ifndef BITCOIN_QT_TRAFFICGRAPHWIDGET_H
   6 #define BITCOIN_QT_TRAFFICGRAPHWIDGET_H
   7
   8 #include <QWidget>
   9 #include <QQueue>
  10
  11 class ClientModel;
  12
  13 QT_BEGIN_NAMESPACE
  14 class QPaintEvent;
  15 class QTimer;
  16 QT_END_NAMESPACE
  17
  18 class TrafficGraphWidget : public QWidget
  19 {
  20     Q_OBJECT
  21
  22 public:
  23     explicit TrafficGraphWidget(QWidget *parent = 0);
  24     void setClientModel(ClientModel *model);
  25     int getGraphRangeMins() const;
  26
  27 protected:
  28     void paintEvent(QPaintEvent *);
  29
  30 public slots:
  31     void updateRates();
  32     void setGraphRangeMins(int mins);
  33     void clear();
  34
  35 private:
  36     void paintPath(QPainterPath &path, QQueue<float> &samples);
  37
  38     QTimer *timer;
  39     float fMax;
  40     int nMins;
  41     QQueue<float> vSamplesIn;
  42     QQueue<float> vSamplesOut;
  43     quint64 nLastBytesIn;
  44     quint64 nLastBytesOut;
  45     ClientModel *clientModel;
  46 };
  47
  48 #endif // BITCOIN_QT_TRAFFICGRAPHWIDGET_H