src/qt/modaloverlay.h

   1 // Copyright (c) 2016-2017 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_MODALOVERLAY_H
   6 #define BITCOIN_QT_MODALOVERLAY_H
   7
   8 #include <QDateTime>
   9 #include <QWidget>
  10
  11 //! The required delta of headers to the estimated number of available headers until we show the IBD progress
  12 static constexpr int HEADER_HEIGHT_DELTA_SYNC = 24;
  13
  14 namespace Ui {
  15     class ModalOverlay;
  16 }
  17
  18 /** Modal overlay to display information about the chain-sync state */
  19 class ModalOverlay : public QWidget
  20 {
  21     Q_OBJECT
  22
  23 public:
  24     explicit ModalOverlay(QWidget *parent);
  25     ~ModalOverlay();
  26
  27 public Q_SLOTS:
  28     void tipUpdate(int count, const QDateTime& blockDate, double nVerificationProgress);
  29     void setKnownBestHeight(int count, const QDateTime& blockDate);
  30
  31     void toggleVisibility();
  32     // will show or hide the modal layer
  33     void showHide(bool hide = false, bool userRequested = false);
  34     void closeClicked();
  35     bool isLayerVisible() const { return layerIsVisible; }
  36
  37 protected:
  38     bool eventFilter(QObject * obj, QEvent * ev);
  39     bool event(QEvent* ev);
  40
  41 private:
  42     Ui::ModalOverlay *ui;
  43     int bestHeaderHeight; //best known height (based on the headers)
  44     QDateTime bestHeaderDate;
  45     QVector<QPair<qint64, double> > blockProcessTime;
  46     bool layerIsVisible;
  47     bool userClosed;
  48 };
  49
  50 #endif // BITCOIN_QT_MODALOVERLAY_H