C++ pushEvent函数代码示例

	bool UserInputListener::fireMouseButtonReleased( MouseButton p_button )
	{
		bool result = false;

		if ( doHasHandlers() )
		{
			m_mouse.m_buttons[size_t( p_button )] = false;
			m_mouse.m_changed = p_button;
			auto current = doGetMouseTargetableHandler( m_mouse.m_position );

			if ( current )
			{
				current->pushEvent( MouseEvent( MouseEventType::eReleased, m_mouse.m_position, p_button ) );
				result = true;
				m_activeHandler = current;
			}
			else
			{
				auto active = m_activeHandler.lock();

				if ( active )
				{
					active->pushEvent( HandlerEvent( HandlerEventType::eDeactivate, current ) );
				}

				m_activeHandler.reset();
			}
		}

		return result;
	}

OSStatus GHOST_SystemCarbon::handleWindowEvent(EventRef event)
{
	WindowRef windowRef;
	GHOST_WindowCarbon *window;
	OSStatus err = eventNotHandledErr;
	
	// Check if the event was send to a GHOST window
	::GetEventParameter(event, kEventParamDirectObject, typeWindowRef, NULL, sizeof(WindowRef), NULL, &windowRef);
	window = (GHOST_WindowCarbon *) ::GetWRefCon(windowRef);
	if (!validWindow(window)) {
		return err;
	}

	//if (!getFullScreen()) {
	err = noErr;
	switch (::GetEventKind(event))
	{
		case kEventWindowClose:
			pushEvent(new GHOST_Event(getMilliSeconds(), GHOST_kEventWindowClose, window) );
			break;
		case kEventWindowActivated:
			m_windowManager->setActiveWindow(window);
			window->loadCursor(window->getCursorVisibility(), window->getCursorShape());
			pushEvent(new GHOST_Event(getMilliSeconds(), GHOST_kEventWindowActivate, window) );
			break;
		case kEventWindowDeactivated:
			m_windowManager->setWindowInactive(window);
			pushEvent(new GHOST_Event(getMilliSeconds(), GHOST_kEventWindowDeactivate, window) );
			break;
		case kEventWindowUpdate:
			//if (getFullScreen()) GHOST_PRINT("GHOST_SystemCarbon::handleWindowEvent(): full-screen update event\n");
			pushEvent(new GHOST_Event(getMilliSeconds(), GHOST_kEventWindowUpdate, window) );
			break;
		case kEventWindowBoundsChanged:
			if (!m_ignoreWindowSizedMessages)
			{
				window->updateDrawingContext();
				pushEvent(new GHOST_Event(getMilliSeconds(), GHOST_kEventWindowSize, window) );
			}
			break;
		default:
			err = eventNotHandledErr;
			break;
	}
//	}
	//else {
	//window = (GHOST_WindowCarbon*) m_windowManager->getFullScreenWindow();
	//GHOST_PRINT("GHOST_SystemCarbon::handleWindowEvent(): full-screen window event, " << window << "\n");
	//::RemoveEventFromQueue(::GetMainEventQueue(), event);
	//}
	
	return err;
}

	void DInputEventQueue::pushEvent( const DJoyStickEvent& e)
	{
		if (mEventInforQueue.size() < maxEventCount)
		{
			pushEvent(e, mTimer.getMilliseconds());
		}
	}

GHOST_IWindow *
GHOST_SystemSDL::createWindow(const STR_String& title,
                              GHOST_TInt32 left,
                              GHOST_TInt32 top,
                              GHOST_TUns32 width,
                              GHOST_TUns32 height,
                              GHOST_TWindowState state,
                              GHOST_TDrawingContextType type,
                              bool stereoVisual,
                              const GHOST_TUns16 numOfAASamples,
                              const GHOST_TEmbedderWindowID parentWindow
                              )
{
	GHOST_WindowSDL *window= NULL;

	window= new GHOST_WindowSDL (this, title, left, top, width, height, state, parentWindow, type, stereoVisual, 1);

	if (window) {
		if (window->getValid()) {
			m_windowManager->addWindow(window);
			pushEvent(new GHOST_Event(getMilliSeconds(), GHOST_kEventWindowSize, window));
		}
		else {
			delete window;
			window= NULL;
		}
	}
	return window;
}

bool
GHOST_SystemSDL::generateWindowExposeEvents()
{
	vector<GHOST_WindowSDL *>::iterator w_start= m_dirty_windows.begin();
	vector<GHOST_WindowSDL *>::const_iterator w_end= m_dirty_windows.end();
	bool anyProcessed= false;

	for (;w_start != w_end; ++w_start) {
		GHOST_Event * g_event= new
			GHOST_Event(
				getMilliSeconds(),
				GHOST_kEventWindowUpdate,
				*w_start
			);

		(*w_start)->validate();

		if (g_event) {
			printf("Expose events pushed\n");
			pushEvent(g_event);
			anyProcessed= true;
		}
	}

	m_dirty_windows.clear();
	return anyProcessed;
}

	bool UserInputListener::fireKeyUp( KeyboardKey p_key, bool p_ctrl, bool p_alt, bool p_shift )
	{
		bool result = false;

		if ( doHasHandlers() )
		{
			auto active = m_activeHandler.lock();

			if ( active )
			{
				if ( p_key == KeyboardKey::eControl )
				{
					m_keyboard.m_ctrl = false;
				}

				if ( p_key == KeyboardKey::eAlt )
				{
					m_keyboard.m_alt = false;
				}

				if ( p_key == KeyboardKey::eShift )
				{
					m_keyboard.m_shift = false;
				}

				active->pushEvent( KeyboardEvent( KeyboardEventType::eReleased, p_key, m_keyboard.m_ctrl, m_keyboard.m_alt, m_keyboard.m_shift ) );
				result = true;
			}
		}

		return result;
	}

	void EventBuffer::pollEvents(sf::Window& window)
	{
		sf::Event event;

		while (window.pollEvent(event))
			pushEvent(event);
	}

void Statistics::endFrame() {
	setValue(frameDurationCounter, frameTimer.getMilliseconds());

	{ // IO
		static Util::Timer ioTimer;
		static size_t lastBytesRead = 0;
		static size_t lastBytesWritten = 0;

		const uint64_t duration = ioTimer.getNanoseconds();
		// Update every second.
		if(duration > 1000000000) {
			const size_t bytesRead = Util::Utils::getIOBytesRead();
			const size_t bytesWritten = Util::Utils::getIOBytesWritten();

			const double MebiPerSecond = 1024.0 * 1024.0 * 1.0e-9 * static_cast<double>(duration);
			const double readRate = static_cast<double>(bytesRead - lastBytesRead) / MebiPerSecond;
			const double writeRate = static_cast<double>(bytesWritten - lastBytesWritten) / MebiPerSecond;

			ioTimer.reset();
			lastBytesRead = bytesRead;
			lastBytesWritten = bytesWritten;

			setValue(ioRateReadCounter, readRate);
			setValue(ioRateWriteCounter, writeRate);
		}
	}

	pushEvent(EVENT_TYPE_FRAME_END, 1);
}

GHOST_IWindow *GHOST_SystemCarbon::createWindow(
		const STR_String& title,
		GHOST_TInt32 left,
		GHOST_TInt32 top,
		GHOST_TUns32 width,
		GHOST_TUns32 height,
		GHOST_TWindowState state,
		GHOST_TDrawingContextType type,
		bool stereoVisual,
		const GHOST_TUns16 numOfAASamples,
		const GHOST_TEmbedderWindowID parentWindow)
{
	GHOST_IWindow *window = 0;

	window = new GHOST_WindowCarbon(title, left, top, width, height, state, type);

	if (window) {
		if (window->getValid()) {
			// Store the pointer to the window
			GHOST_ASSERT(m_windowManager, "m_windowManager not initialized");
			m_windowManager->addWindow(window);
			m_windowManager->setActiveWindow(window);
			pushEvent(new GHOST_Event(getMilliSeconds(), GHOST_kEventWindowSize, window));
		}
		else {
			GHOST_PRINT("GHOST_SystemCarbon::createWindow(): window invalid\n");
			delete window;
			window = 0;
		}
	}
	else {
		GHOST_PRINT("GHOST_SystemCarbon::createWindow(): could not create window\n");
	}
	return window;
}

void TetrisAI::execute(vector<int> commands) {
	for (vector<int>::iterator it = commands.begin(); it != commands.end();
			it++) {
		SDL_Delay(AI_DELAY);
		pushEvent(*it);
	}
}

void QSFMLCanvas::mouseReleaseEvent(QMouseEvent* event) {
	sf::Event e;
	e.type = sf::Event::MouseButtonReleased;
	e.mouseButton.x = event->x();
	e.mouseButton.y = event->y();
	pushEvent(e);
}

void WindowImpl::processSensorEvents()
{
    // First update the sensor states
    SensorManager::getInstance().update();

    for (unsigned int i = 0; i < Sensor::Count; ++i)
    {
        Sensor::Type sensor = static_cast<Sensor::Type>(i);

        // Only process enabled sensors
        if (SensorManager::getInstance().isEnabled(sensor))
        {
            // Copy the previous value of the sensor and get the new one
            Vector3f previousValue = m_sensorValue[i];
            m_sensorValue[i] = SensorManager::getInstance().getValue(sensor);

            // If the value has changed, trigger an event
            if (m_sensorValue[i] != previousValue) // @todo use a threshold?
            {
                Event event;
                event.type = Event::SensorChanged;
                event.sensor.type = sensor;
                event.sensor.x = m_sensorValue[i].x;
                event.sensor.y = m_sensorValue[i].y;
                event.sensor.z = m_sensorValue[i].z;
                pushEvent(event);
            }
        }
    }
}

// ######################################################################
bool EyeTrackerUDP::checkForData()
{
  int numbytes = 0;
  if (isConnected)
    {
      struct timeval tm;
      tm.tv_sec = 0;
      tm.tv_usec = 0;

      read_fs = master; // copy master
      select(sockfd+1, &read_fs, NULL, NULL, &tm);

      if (FD_ISSET(sockfd, &read_fs))
        {
          //ready to read
          lasthost_addrlen = sizeof lasthost_addr;
          unsigned char msgBuffer[BUFSIZE];

          if ( (numbytes = recvfrom(sockfd, msgBuffer, BUFSIZE-1 , 0,
                                    &lasthost_addr,
                                    &lasthost_addrlen)) <= 0)
            {
              // got error or connection closed by client
              if (numbytes == 0)
                {
                  // connection closed
                  pushEvent("Error::socket closed");
                  LFATAL("The connection closed");
                }
              else
                pushEvent("Error::recieve");
            }
          else
            {
              pushEvent("Received Trigger");
              setEyeFlags(msgBuffer[0]);
            }
        }//end FS_SET == true
    }
  else
    {
      pushEvent("Must be conncted to listen");
      LFATAL("Must be connected to listen");
    }

  return (bool)numbytes;
}

      //--------------------------------------------------------------
      /// \brief	            Signal that time event elapsed
      /// \param[in] timeEvent    Time event to signal
      //--------------------------------------------------------------
      void signalTimeEvent(boost::shared_ptr<ITimeEvent> timeEvent)
      {
         BOOST_ASSERT(!!timeEvent);

         boost::shared_ptr<CEventBase> evt(new CEventBase(timeEvent->getId()));
         pushEvent(evt);
         timeEvent->reset();
      }

void TaskPool::run(Thread* thread, void* userdata)
{

    while (!isStopping && (!tasks.empty() || !isWaiting))
    {
        Task* task;
        tasks.wait_and_pop_front(task);

        if (!task) continue;

        pushEvent(task, TaskState::Started );

        task->run();
        
        pushEvent(task, TaskState::Finished );
    }
}