Method getEvent

src/lib/platform/MSWindowsEventQueueBuffer.cpp:59–89

}

IEventQueueBuffer::Type MSWindowsEventQueueBuffer::getEvent(Event &event, uint32_t &dataID)
{
  using enum IEventQueueBuffer::Type;
  // NOTE: QS_ALLINPUT was replaced with m_supportedMessages.
  //
  // peek at messages first.  waiting for QS_ALLINPUT will return
  // if a message has been sent to our window but GetMessage will
  // dispatch that message behind our backs and block.  PeekMessage
  // will also dispatch behind our backs but won't block.
  if (!PeekMessage(&m_event, nullptr, 0, 0, PM_NOREMOVE) && !PeekMessage(&m_event, (HWND)-1, 0, 0, PM_NOREMOVE)) {
    return Unknown;
  }

  // BOOL.  yeah, right.
  BOOL result = GetMessage(&m_event, nullptr, 0, 0);
  if (result == -1) {
    return Unknown;
  } else if (result == 0) {
    event = Event(EventTypes::Quit);
    return System;
  } else if (m_daemonQuit != 0 && m_event.message == m_daemonQuit) {
    event = Event(EventTypes::Quit);
    return System;
  } else if (m_event.message == m_userEvent) {
    dataID = static_cast<uint32_t>(m_event.wParam);
    return User;
  } else {
    event = Event(EventTypes::System, m_events->getSystemTarget(), &m_event);
    return System;
  }
}

bool MSWindowsEventQueueBuffer::addEvent(uint32_t dataID)
{