lbrycrd/src/qt/winshutdownmonitor.h
Philip Kaufmann d282c1fb64 [Qt] catch Windows shutdown events while client is running
- prevents unsafe shutdowns on Windows, which is known to be
  able to cause problems with wallet.dat
- if a users ends a Windows session, this will initiate a client shutdown
  and show a Windows dialog, that tells the user what is going on (for
  Windows Vista and higher it will even show a reason for blocking the
  Windows session end)
2014-04-15 11:57:55 +02:00

29 lines
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C++

// Copyright (c) 2014 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef WINSHUTDOWNMONITOR_H
#define WINSHUTDOWNMONITOR_H
#ifdef WIN32
#include <QByteArray>
#include <QString>
#if QT_VERSION >= 0x050000
#include <windef.h> // for HWND
#include <QAbstractNativeEventFilter>
class WinShutdownMonitor : public QAbstractNativeEventFilter
{
public:
/** Implements QAbstractNativeEventFilter interface for processing Windows messages */
bool nativeEventFilter(const QByteArray &eventType, void *pMessage, long *pnResult);
/** Register the reason for blocking shutdown on Windows to allow clean client exit */
static void registerShutdownBlockReason(const QString& strReason, const HWND& mainWinId);
};
#endif
#endif
#endif // WINSHUTDOWNMONITOR_H