void QQuickDragAttachedPrivate::deliverLeaveEvent()
{
if (window) {
QDragLeaveEvent event;
deliverEvent(window, &event);
window = 0;
}
}
// Deliver CPG message.
void Cluster::deliver(
cpg_handle_t /*handle*/,
const cpg_name* /*group*/,
uint32_t nodeid,
uint32_t pid,
void* msg,
int msg_len)
{
MemberId from(nodeid, pid);
framing::Buffer buf(static_cast<char*>(msg), msg_len);
Event e(Event::decodeCopy(from, buf));
deliverEvent(e);
}
void TransformReactor::process(const EventPtr& e)
{
EventPtr new_e;
// Create new event; either same type (if UNDEFINED) or defined type
m_event_factory.create(new_e, m_event_type == Vocabulary::UNDEFINED_TERM_REF ? e->getType() : m_event_type);
// Copy terms over from original
switch (m_copy_original) {
case COPY_ALL: // Copy all terms over from original event
*new_e += *e;
break;
case COPY_UNCHANGED: // Copy ONLY terms, that are not defined in transformations...
*new_e += *e; // First copy all terms...
// Then remove all the ones with transformations...
for (TransformChain::iterator i = m_transforms.begin(); i != m_transforms.end(); i++)
(*i)->removeTerm(new_e);
// TODO: Which is more efficient? Only copying the ones that are not transformed, or this?
break;
case COPY_NONE: // Do not copy terms from original event
break;
}
try {
for (TransformChain::iterator i = m_transforms.begin(); i != m_transforms.end(); i++)
(*i)->transform(new_e, e); // transform d <- s
} catch (std::exception& e) {
// Likely Boost.regex throw
PION_LOG_ERROR(m_logger, "reactor_id: " << getId() << " - " << e.what() << " - handled");
}
deliverEvent(new_e); // Deliver the modified event
// Transformation is done, deliver original event?
if (m_deliver_original != DO_NEVER)
deliverEvent(e);
}
void QQuickDragAttachedPrivate::deliverMoveEvent()
{
Q_Q(QQuickDragAttached);
itemMoved = false;
if (window) {
QPoint scenePos = attachedItem->mapToScene(hotSpot).toPoint();
QDragMoveEvent event(scenePos, mimeData->m_supportedActions, mimeData, Qt::NoButton, Qt::NoModifier);
QQuickDropEventEx::setProposedAction(&event, proposedAction);
deliverEvent(window, &event);
if (target != dragGrabber.target()) {
target = dragGrabber.target();
emit q->targetChanged();
}
}
}
void FissionReactor::process(const EventPtr& e)
{
if (e->getType() == m_input_event_type.term_ref) {
// used for generating new events
EventFactory event_factory;
EventPtr new_ptr;
bool read_result;
// iterate through each value defined for the input event term
Event::ValuesRange range = e->equal_range(m_input_event_term.term_ref);
for (Event::ConstIterator it = range.first; it != range.second; ++it) {
// create an input stream based upon the term value
const Event::BlobType& ss = boost::get<const Event::BlobType&>(it->value);
boost::iostreams::stream<boost::iostreams::array_source> input_stream(ss.get(), ss.size());
// read Event(s) from the input stream
while ( isRunning() && !input_stream.eof() ) {
// only allow one thread to use the codec at a time
boost::mutex::scoped_lock codec_lock(m_codec_mutex);
event_factory.create(new_ptr, m_codec_ptr->getEventType());
read_result = m_codec_ptr->read(input_stream, *new_ptr);
codec_lock.unlock();
if (! read_result)
break;
// copy terms from original event ?
if (m_copy_all_terms) {
// copy all terms from original event
*new_ptr += *e;
} else if (! m_copy_terms.empty() ) {
// copy some terms from original event
for (TermVector::const_iterator term_it = m_copy_terms.begin();
term_it != m_copy_terms.end(); ++term_it)
{
new_ptr->copyValues(*e, term_it->term_ref);
}
}
// deliver the event
deliverEvent(new_ptr);
}
}
}
}
void QQuickDragAttachedPrivate::deliverEnterEvent()
{
dragRestarted = false;
itemMoved = false;
window = attachedItem->window();
mimeData->m_source = source;
if (!overrideActions)
mimeData->m_supportedActions = supportedActions;
mimeData->m_keys = keys;
if (window) {
QPoint scenePos = attachedItem->mapToScene(hotSpot).toPoint();
QDragEnterEvent event(scenePos, mimeData->m_supportedActions, mimeData, Qt::NoButton, Qt::NoModifier);
QQuickDropEventEx::setProposedAction(&event, proposedAction);
deliverEvent(window, &event);
}
}
// CPG config-change callback.
void Cluster::configChange (
cpg_handle_t /*handle*/,
const cpg_name */*group*/,
const cpg_address *members, int nMembers,
const cpg_address *left, int nLeft,
const cpg_address *joined, int nJoined)
{
Mutex::ScopedLock l(lock);
string membersStr, leftStr, joinedStr;
// Encode members and enqueue as an event so the config change can
// be executed in the correct thread.
for (const cpg_address* p = members; p < members+nMembers; ++p)
membersStr.append(MemberId(*p).str());
for (const cpg_address* p = left; p < left+nLeft; ++p)
leftStr.append(MemberId(*p).str());
for (const cpg_address* p = joined; p < joined+nJoined; ++p)
joinedStr.append(MemberId(*p).str());
deliverEvent(Event::control(ClusterConfigChangeBody(
ProtocolVersion(), membersStr, leftStr, joinedStr),
self));
}
void FilterReactor::process(const EventPtr& e)
{
if ( m_rules(e) )
deliverEvent(e);
}
