src/qt/splashscreen.h

   1 // Copyright (c) 2011-2016 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_SPLASHSCREEN_H
   6 #define BITCOIN_QT_SPLASHSCREEN_H
   7
   8 #include <functional>
   9 #include <QSplashScreen>
  10
  11 class CWallet;
  12 class NetworkStyle;
  13
  14 /** Class for the splashscreen with information of the running client.
  15  *
  16  * @note this is intentionally not a QSplashScreen. Bitcoin Core initialization
  17  * can take a long time, and in that case a progress window that cannot be
  18  * moved around and minimized has turned out to be frustrating to the user.
  19  */
  20 class SplashScreen : public QWidget
  21 {
  22     Q_OBJECT
  23
  24 public:
  25     explicit SplashScreen(Qt::WindowFlags f, const NetworkStyle *networkStyle);
  26     ~SplashScreen();
  27
  28 protected:
  29     void paintEvent(QPaintEvent *event);
  30     void closeEvent(QCloseEvent *event);
  31
  32 public Q_SLOTS:
  33     /** Slot to call finish() method as it's not defined as slot */
  34     void slotFinish(QWidget *mainWin);
  35
  36     /** Show message and progress */
  37     void showMessage(const QString &message, int alignment, const QColor &color);
  38
  39     /** Sets the break action */
  40     void setBreakAction(const std::function<void(void)> &action);
  41 protected:
  42     bool eventFilter(QObject * obj, QEvent * ev);
  43
  44 private:
  45     /** Connect core signals to splash screen */
  46     void subscribeToCoreSignals();
  47     /** Disconnect core signals to splash screen */
  48     void unsubscribeFromCoreSignals();
  49     /** Connect wallet signals to splash screen */
  50     void ConnectWallet(CWallet*);
  51
  52     QPixmap pixmap;
  53     QString curMessage;
  54     QColor curColor;
  55     int curAlignment;
  56
  57     QList<CWallet*> connectedWallets;
  58
  59     std::function<void(void)> breakAction;
  60 };
  61
  62 #endif // BITCOIN_QT_SPLASHSCREEN_H