int PollReactor::Demultiplex(EventHandlerMap & handlers,
RegHandlerVec & list,
MSEC timeout)
{
if (pollSize_ == 0) return 0;
int ret = Poll::poll(&pollfds_[0], pollSize_, timeout);
if (ret > 0)
{
for (int i = 0; i < ret; ++i)
{
struct pollfd & e = pollfds_[0];
HANDLE h = e.fd;
EventHandlerMapIter iter = handlers.find(h);
if (iter == handlers.end()) continue;
RegHandler & rh = iter->second;
EventHandler * handler = rh.handler;
assert(handler);
if (!handler) continue;
if ((e.revents & POLLERR) || (e.revents & POLLNVAL) || (e.revents & POLLHUP))
rh.revents |= EventHandler::ERROR_MASK;
else
{
if (e.revents & POLLIN)
rh.revents |= EventHandler::READ_MASK;
if (e.revents & POLLOUT)
rh.revents |= EventHandler::WRITE_MASK;
}
list.push_back(&rh);
}
}
return 0;
}
// Loads a window and binds the event handler for it.
bool EventManager::LoadWindow(const Rocket::Core::String& window_name)
{
// Set the event handler for the new screen, if one has been registered.
EventHandler* old_event_handler = event_handler;
EventHandlerMap::iterator iterator = event_handlers.find(window_name);
if (iterator != event_handlers.end())
event_handler = (*iterator).second;
else
event_handler = NULL;
// Attempt to load the referenced RML document.
char path[1024];
GetMmoResourcePath(path, 1024, (window_name + ".rml").CString());
Rocket::Core::ElementDocument* document = gContext->LoadDocument(path);
if (document == NULL)
{
event_handler = old_event_handler;
return false;
}
// Set the element's title on the title; IDd 'title' in the RML.
Rocket::Core::Element* title = document->GetElementById("title");
if (title != NULL)
title->SetInnerRML(document->GetTitle());
document->Focus();
document->Show();
// Remove the caller's reference.
document->RemoveReference();
return true;
}
// Releases all event handlers registered with the manager.
void EventManager::Shutdown()
{
for (EventHandlerMap::iterator i = event_handlers.begin(); i != event_handlers.end(); ++i)
delete (*i).second;
event_handlers.clear();
event_handler = NULL;
}
// Registers a new event handler with the manager.
void EventManager::RegisterEventHandler(const Rocket::Core::String& handler_name, EventHandler* handler)
{
// Release any handler bound under the same name.
EventHandlerMap::iterator iterator = event_handlers.find(handler_name);
if (iterator != event_handlers.end())
delete (*iterator).second;
event_handlers[handler_name] = handler;
}
// Loads a window and binds the event handler for it.
Rocket::Core::ElementDocument* EventManager::LoadWindow(const Rocket::Core::String& window_name)
{
// Set the event handler for the new screen, if one has been registered.
EventHandler* old_event_handler = event_handler;
EventHandlerMap::iterator iterator = event_handlers.find(window_name);
if (iterator != event_handlers.end())
{
event_handler = iterator->second;
//Rocket::Core::Log::Message(Rocket::Core::Log::LT_INFO, "%s", window_name.CString());
}
else
event_handler = NULL;
// Attempt to load the referenced RML document.
Rocket::Core::String document_path = Rocket::Core::String("data/") + window_name + Rocket::Core::String(".rml");
Rocket::Core::ElementDocument* document = Context->LoadDocument(document_path.CString());
if (document == nullptr)
{
event_handler = old_event_handler;
return nullptr;
}
document->SetId(window_name);
// Set the element's title on the title; IDd 'title' in the RML.
Rocket::Core::Element* title = document->GetElementById("title");
if (title != NULL)
title->SetInnerRML(document->GetTitle());
document->Focus();
document->Show();
// Remove the caller's reference.
document->RemoveReference();
return document;
}
// Processes an event coming through from Rocket.
void EventManager::ProcessEvent(Rocket::Core::Event& event, const Rocket::Core::String& value)
{
Rocket::Core::StringList commands;
Rocket::Core::StringUtilities::ExpandString(commands, value, ';');
if(commands.size() == 0)
{
//send only the event to event handlers
for(EventHandlerMap::iterator it = event_handlers.begin(); it != event_handlers.end(); it++)
if(it->second != NULL)
it->second->ProcessEvent(event, "");
}
else
{
for (size_t i = 0; i < commands.size(); ++i)
{
// Check for a generic 'load' or 'exit' command.
Rocket::Core::StringList values;
Rocket::Core::StringUtilities::ExpandString(values, commands[i], ' ');
//if (values.empty())
// return;
if (values[0] == "goto" &&
values.size() > 1)
{
// Load the window, and if successful close the old window.
if (LoadWindow(values[1]))
event.GetTargetElement()->GetOwnerDocument()->Close();
}
else if (values[0] == "load" &&
values.size() > 1)
{
// Load the window.
LoadWindow(values[1]);
}
else if (values[0] == "close")
{
Rocket::Core::ElementDocument* target_document = NULL;
if (values.size() > 1)
target_document = Context->GetDocument(values[1].CString());
else
target_document = event.GetTargetElement()->GetOwnerDocument();
if (target_document != NULL)
target_document->Close();
}
else if (values[0] == "exit")
{
Shell::RequestExit();
}
/*
else if (values[0] == "pause")
{
GameDetails::SetPaused(true);
}
else if (values[0] == "unpause")
{
GameDetails::SetPaused(false);
}
*/
else
{
//send the event to all windows
for(EventHandlerMap::iterator it = event_handlers.begin(); it != event_handlers.end(); it++)
if(it->second != NULL)
it->second->ProcessEvent(event, commands[i]);
/*
if (event_handler != NULL)
{
event_handler->ProcessEvent(event, commands[i]);
}
*/
}
}
}
}