void Timeout::traverse(osg::NodeVisitor& nv)
{
if (nv.getVisitorType()==osg::NodeVisitor::CULL_VISITOR)
{
osgUtil::CullVisitor* cv = dynamic_cast<osgUtil::CullVisitor*>(&nv);
if (_displayTimeout && cv)
{
osgUtil::RenderStage* previous_stage = cv->getCurrentRenderBin()->getStage();
osg::ref_ptr<osgUtil::RenderStage> rs = new osgUtil::RenderStage;
osg::ColorMask* colorMask = previous_stage->getColorMask();
rs->setColorMask(colorMask);
// set up the viewport.
osg::Viewport* viewport = previous_stage->getViewport();
rs->setViewport( viewport );
rs->setClearMask(GL_DEPTH_BUFFER_BIT);
// record the render bin, to be restored after creation
// of the render to text
osgUtil::RenderBin* previousRenderBin = cv->getCurrentRenderBin();
// set the current renderbin to be the newly created stage.
cv->setCurrentRenderBin(rs.get());
// traverse the subgraph
{
Transform::traverse(nv);
}
// restore the previous renderbin.
cv->setCurrentRenderBin(previousRenderBin);
// and the render to texture stage to the current stages
// dependancy list.
cv->getCurrentRenderBin()->getStage()->addPostRenderStage(rs.get(),0);
}
}
else if (nv.getVisitorType()==osg::NodeVisitor::EVENT_VISITOR)
{
int deltaFrameNumber = (nv.getFrameStamp()->getFrameNumber()-_previousFrameNumber);
_previousFrameNumber = nv.getFrameStamp()->getFrameNumber();
bool needToRecordEventTime = false;
bool needToAction = false;
if (deltaFrameNumber>1)
{
needToRecordEventTime = true;
}
bool previous_displayTimeout = _displayTimeout;
bool needToDismiss = false;
osgGA::EventVisitor* ev = dynamic_cast<osgGA::EventVisitor*>(&nv);
osgViewer::Viewer* viewer = ev ? dynamic_cast<osgViewer::Viewer*>(ev->getActionAdapter()) : 0;
if (ev)
{
osgGA::EventQueue::Events& events = ev->getEvents();
for(osgGA::EventQueue::Events::iterator itr = events.begin();
itr != events.end();
++itr)
{
osgGA::GUIEventAdapter* event = itr->get();
bool keyEvent = event->getEventType()==osgGA::GUIEventAdapter::KEYDOWN || event->getEventType()==osgGA::GUIEventAdapter::KEYUP;
if (keyEvent && event->getKey()==_keyStartsTimoutDisplay)
{
OSG_NOTICE<<"_keyStartsTimoutDisplay pressed"<<std::endl;
_displayTimeout = true;
}
else if (keyEvent && event->getKey()==_keyDismissTimoutDisplay)
{
OSG_NOTICE<<"_keyDismissTimoutDisplay pressed"<<std::endl;
needToRecordEventTime = true;
needToDismiss = _displayTimeout;
_displayTimeout = false;
}
else if (keyEvent && event->getKey()==_keyRunTimeoutAction)
{
OSG_NOTICE<<"_keyRunTimeoutAction pressed"<<std::endl;
_displayTimeout = false;
needToRecordEventTime = true;
needToAction = true;
}
else if (event->getEventType()!=osgGA::GUIEventAdapter::FRAME)
{
needToRecordEventTime = true;
needToDismiss = _displayTimeout;
_displayTimeout = false;
}
}
}
if (needToRecordEventTime)
{
_timeOfLastEvent = nv.getFrameStamp()->getReferenceTime();
}
double timeSinceLastEvent = nv.getFrameStamp() ? nv.getFrameStamp()->getReferenceTime()-_timeOfLastEvent : 0.0;
if (timeSinceLastEvent>_idleDurationBeforeTimeoutDisplay)
{
_displayTimeout = true;
}
if (timeSinceLastEvent>_idleDurationBeforeTimeoutAction)
{
_displayTimeout = false;
needToAction = true;
needToDismiss = false;
}
if (!previous_displayTimeout && _displayTimeout)
{
if (viewer && (_displayBroadcastKeyPos._key!=0 || _displayBroadcastKeyPos._x!=FLT_MAX || _displayBroadcastKeyPos._y!=FLT_MAX))
{
OSG_NOTICE<<"Doing display broadcast key event"<<_displayBroadcastKeyPos._key<<std::endl;
broadcastEvent(viewer, _displayBroadcastKeyPos);
}
OperationVisitor leave(OperationVisitor::ENTER);
accept(leave);
if (leave.sleepTime()!=0.0)
{
OSG_NOTICE<<"Pausing for "<<leave.sleepTime()<<std::endl;
OpenThreads::Thread::microSleep(static_cast<unsigned int>(1000000.0*leave.sleepTime()));
OSG_NOTICE<<"Finished Pause "<<std::endl;
}
}
if (needToDismiss)
{
if (viewer && (_dismissBroadcastKeyPos._key!=0 || _dismissBroadcastKeyPos._x!=FLT_MAX || _dismissBroadcastKeyPos._y!=FLT_MAX))
{
OSG_NOTICE<<"Doing dismiss broadcast key event"<<_dismissBroadcastKeyPos._key<<std::endl;
broadcastEvent(viewer, _dismissBroadcastKeyPos);
}
OperationVisitor leave(OperationVisitor::LEAVE);
accept(leave);
}
Transform::traverse(nv);
if (needToAction)
{
OSG_NOTICE<<"Do timeout action"<<std::endl;
_previousFrameNumber = -1;
_timeOfLastEvent = nv.getFrameStamp()->getReferenceTime();
if (_actionJumpData.requiresJump())
{
OSG_NOTICE<<"Doing timeout jump"<<std::endl;
_actionJumpData.jump(SlideEventHandler::instance());
}
if (_actionKeyPos._key!=0 || _actionKeyPos._x!=FLT_MAX || _actionKeyPos._y!=FLT_MAX)
{
OSG_NOTICE<<"Doing timeout key event"<<_actionKeyPos._key<<std::endl;
if (SlideEventHandler::instance()) SlideEventHandler::instance()->dispatchEvent(_actionKeyPos);
}
if (viewer && (_actionBroadcastKeyPos._key!=0 || _actionBroadcastKeyPos._x!=FLT_MAX || _actionBroadcastKeyPos._y!=FLT_MAX))
{
OSG_NOTICE<<"Doing timeout broadcast key event"<<_actionBroadcastKeyPos._key<<std::endl;
broadcastEvent(viewer, _actionBroadcastKeyPos);
}
}
}
else if (nv.getVisitorType()==osg::NodeVisitor::UPDATE_VISITOR)
{
if (_displayTimeout) Transform::traverse(nv);
}
else
{
if (strcmp(nv.className(),"FindOperatorsVisitor")==0)
{
OSG_NOTICE<<"Timout::traverse() "<<nv.className()<<", ignoring traversal"<<std::endl;
}
else
{
Transform::traverse(nv);
}
}
}
