bool ShortcutChooser::onShortcutKeyPress(GdkEventKey* ev)
{
std::string statusText("");
/** greebo: Workaround for allowing Shift+TAB as well (Tab becomes ISO_Left_Tab in that case)
*/
if (ev->keyval == GDK_ISO_Left_Tab)
{
ev->keyval = GDK_Tab;
}
// Store the shortcut string representation into the Entry field
_entry->set_text(GlobalEventManager().getGDKEventStr(ev));
// Store this key/modifier combination for later use (UPPERCASE!)
_keyval = gdk_keyval_to_upper(ev->keyval);
_state = ev->state;
IEventPtr foundEvent = GlobalEventManager().findEvent(ev);
// Only display the note if any event was found and it's not the "self" event
if (!foundEvent->empty() && foundEvent != _event)
{
statusText = (boost::format(_("Note: This is already assigned to: <b>%s</b>")) %
GlobalEventManager().getEventName(foundEvent)).str();
}
_statusWidget->set_markup(statusText);
return true; // don't propagate
}
// Loads the default shortcuts from the registry
void EventManager::loadAccelerators() {
if (_debugMode) {
std::cout << "EventManager: Loading accelerators...\n";
}
xml::NodeList shortcutSets = GlobalRegistry().findXPath("user/ui/input//shortcuts");
if (_debugMode) {
std::cout << "Found " << shortcutSets.size() << " sets.\n";
}
// If we have two sets of shortcuts, delete the default ones
if (shortcutSets.size() > 1) {
GlobalRegistry().deleteXPath("user/ui/input//shortcuts[@name='default']");
}
// Find all accelerators
xml::NodeList shortcutList = GlobalRegistry().findXPath("user/ui/input/shortcuts//shortcut");
if (shortcutList.size() > 0) {
rMessage() << "EventManager: Shortcuts found in Registry: " <<
static_cast<int>(shortcutList.size()) << std::endl;
for (unsigned int i = 0; i < shortcutList.size(); i++) {
const std::string key = shortcutList[i].getAttributeValue("key");
if (_debugMode) {
std::cout << "Looking up command: " << shortcutList[i].getAttributeValue("command") << "\n";
std::cout << "Key is: >> " << key << " << \n";
}
// Try to lookup the command
IEventPtr event = findEvent(shortcutList[i].getAttributeValue("command"));
// Check for a non-empty key string
if (key != "") {
// Check for valid command definitions were found
if (!event->empty()) {
// Get the modifier string (e.g. "SHIFT+ALT")
const std::string modifierStr = shortcutList[i].getAttributeValue("modifiers");
if (!duplicateAccelerator(key, modifierStr, event)) {
// Create the accelerator object
IAccelerator& accelerator = addAccelerator(key, modifierStr);
// Connect the newly created accelerator to the command
accelerator.connectEvent(event);
}
}
else {
rWarning() << "EventManager: Cannot load shortcut definition (command invalid)."
<< std::endl;
}
}
}
}
else {
// No accelerator definitions found!
rWarning() << "EventManager: No shortcut definitions found..." << std::endl;
}
}
bool EventManager::QueueEvent(const IEventPtr& pEvent)
{
CB_ASSERT(m_ActiveQueue >= 0);
CB_ASSERT(m_ActiveQueue < EVENTMANAGER_NUM_QUEUES);
if (!pEvent)
{
CB_ERROR("Invalid Event");
return false;
}
CB_LOG("Events", "Attempting to queue event: " + std::string(pEvent->GetName()));
// make sure there are listeners for this event
auto findIt = m_EventListeners.find(pEvent->GetEventType());
if (findIt != m_EventListeners.end())
{
m_Queues[m_ActiveQueue].push_back(pEvent);
CB_LOG("Events", "Successfully queued event: " + std::string(pEvent->GetName()));
return true;
}
else
{
CB_LOG("Events", "No listeners for event: " + std::string(pEvent->GetName()));
return false;
}
}
void TestPubSub() {
IEventPtr events = IEventPtr(new TEvent());
IIOCPEventedPtr iocp_evented = IIOCPEventedPtr(new TIOCPEvented(events));
for(;;) {
events->WaitOne();
iocp_evented->completion_port().Flush();
}
}
void TestEcho() {
IEventPtr events = IEventPtr(new TEvent());
IIOCPEventedPtr iocp_evented = IIOCPEventedPtr(new TIOCPEvented(events));
TEchoTest echo_test(iocp_evented, "127.0.0.1", 333, 128);
for(;;) {
events->WaitOne();
iocp_evented->completion_port().Flush();
}
}
/* Checks the passed xmlNode for a recognized item (ToolButton, ToggleToolButton, Separator)
* Returns the widget or NULL if nothing useful is found
*/
GtkWidget* ToolbarManager::createToolItem(xml::Node& node) {
const std::string nodeName = node.getName();
GtkWidget* toolItem;
if (nodeName == "separator") {
toolItem = GTK_WIDGET(gtk_separator_tool_item_new());
}
else if (nodeName == "toolbutton" || nodeName == "toggletoolbutton") {
// Found a button, load the values that are shared by both types
const std::string name = node.getAttributeValue("name");
const std::string icon = node.getAttributeValue("icon");
const std::string tooltip = _(node.getAttributeValue("tooltip").c_str());
const std::string action = node.getAttributeValue("action");
if (nodeName == "toolbutton") {
// Create a new GtkToolButton and assign the right callback
toolItem = GTK_WIDGET(gtk_tool_button_new(NULL, name.c_str()));
}
else {
// Create a new GtkToggleToolButton and assign the right callback
toolItem = GTK_WIDGET(gtk_toggle_tool_button_new());
}
IEventPtr event = GlobalEventManager().findEvent(action);
if (!event->empty()) {
event->connectWidget(GTK_WIDGET(toolItem));
// Tell the event to update the state of this button
event->updateWidgets();
}
else {
globalErrorStream() << "ToolbarManager: Failed to lookup command " << action << std::endl;
}
// Set the tooltip, if not empty
if (tooltip != "") {
gtk_tool_item_set_tooltip(GTK_TOOL_ITEM(toolItem), _tooltips, tooltip.c_str(), "");
}
// Load and assign the icon, if specified
if (icon != "") {
GtkWidget* image = gtk_image_new_from_pixbuf(GlobalUIManager().getLocalPixbufWithMask(icon));
gtk_widget_show(image);
gtk_tool_button_set_icon_widget(GTK_TOOL_BUTTON(toolItem), image);
}
}
else {
return NULL;
}
gtk_widget_show(toolItem);
return toolItem;
}
// Connects the given accelerator to the given command (identified by the string)
void EventManager::connectAccelerator(IAccelerator& accelerator, const std::string& command) {
IEventPtr event = findEvent(command);
if (!event->empty()) {
// Command found, connect it to the accelerator by passing its pointer
accelerator.connectEvent(event);
}
else {
// Command NOT found
rWarning() << "EventManager: Unable to connect command: " << command << std::endl;
}
}
// Checks if the eventName is already registered and writes to rMessage, if so
bool EventManager::alreadyRegistered(const std::string& eventName) {
// Try to find the command and see if it's already registered
IEventPtr foundEvent = findEvent(eventName);
if (foundEvent->empty()) {
return false;
}
else {
rWarning() << "EventManager: Event " << eventName
<< " already registered!" << std::endl;
return true;
}
}
void EventManager::disconnectAccelerator(const std::string& command) {
IEventPtr event = findEvent(command);
if (!event->empty()) {
// Cycle through the accelerators and check for matches
for (AcceleratorList::iterator i = _accelerators.begin(); i != _accelerators.end(); i++) {
if (i->match(event)) {
// Connect the accelerator to the empty event (disable the accelerator)
i->connectEvent(_emptyEvent);
i->setKey(0);
i->setModifiers(0);
}
}
}
else {
// Command NOT found
rWarning() << "EventManager: Unable to disconnect command: " << command << std::endl;
}
}
bool EventManager::TriggerEvent(const IEventPtr& pEvent) const
{
CB_LOG("Events", "Attempting to trigger event " + std::string(pEvent->GetName()));
bool processed = false;
// iterate the map looking for this event type
auto findIt = m_EventListeners.find(pEvent->GetEventType());
if (findIt != m_EventListeners.end())
{
// iterate the listener list and send the event to each listener
const EventListenerList& listeners = findIt->second;
for (EventListenerList::const_iterator it = listeners.begin(); it != listeners.end(); ++it)
{
EventListenerDelegate listener = (*it);
CB_LOG("Events", "Sending event " + std::string(pEvent->GetName()) + " to delegate listener.");
listener(pEvent);
processed = true;
}
}
return processed;
}
ParticlePreview::ParticlePreview()
{
// Add one additional toolbar for particle-related stuff
Gtk::Toolbar* toolbar = Gtk::manage(new Gtk::Toolbar);
toolbar->set_toolbar_style(Gtk::TOOLBAR_ICONS);
_showAxesButton = Gtk::manage(new Gtk::ToggleToolButton);
_showAxesButton->signal_toggled().connect(
sigc::mem_fun(this, &ParticlePreview::queue_draw)
);
_showAxesButton->set_icon_widget(*Gtk::manage(new Gtk::Image(
GlobalUIManager().getLocalPixbufWithMask("axes.png"))));
_showAxesButton->set_tooltip_text(_("Show coordinate axes"));
Gtk::ToolButton* reloadButton = Gtk::manage(new Gtk::ToolButton);
reloadButton->set_icon_widget(*Gtk::manage(new Gtk::Image(Gtk::Stock::REFRESH, Gtk::ICON_SIZE_MENU)));
reloadButton->set_tooltip_text(_("Reload Particle Defs"));
IEventPtr ev = GlobalEventManager().findEvent("ReloadParticles");
ev->connectWidget(reloadButton);
_showWireFrameButton = Gtk::manage(new Gtk::ToggleToolButton);
_showWireFrameButton->set_icon_widget(*Gtk::manage(new Gtk::Image(
GlobalUIManager().getLocalPixbufWithMask("wireframe.png"))));
_showWireFrameButton->set_tooltip_text(_("Show wireframe"));
_showWireFrameButton->signal_toggled().connect(
sigc::mem_fun(this, &ParticlePreview::queue_draw)
);
_automaticLoopButton = Gtk::manage(new Gtk::ToggleToolButton(_("Auto Loop")));
_automaticLoopButton->set_tooltip_text(_("Auto Loop"));
toolbar->insert(*_showAxesButton, 0);
toolbar->insert(*_showWireFrameButton, 0);
toolbar->insert(*_automaticLoopButton, 0);
toolbar->insert(*reloadButton, 0);
addToolbar(*toolbar);
}
// Push event into active queue
bool EventManager::VQueueEvent( const IEventPtr& pEvent )
{
ENG_ASSERT( m_ActiveQueue >= 0 );
ENG_ASSERT( m_ActiveQueue < EVENTMANAGER_NUM_QUEUES );
auto mapIt = m_EventListeners.find( pEvent->VGetEventType() );
// If no one is listening, abort
if( mapIt == m_EventListeners.end() || !mapIt->second.size() )
{
return false;
}
m_EventQueues[m_ActiveQueue].push_back( pEvent );
return true;
}
// Make all listeners process the event right now instead of add the event into queue
bool EventManager::VTriggerEvent( IEventPtr pEvent ) const
{
auto mapIt = m_EventListeners.find( pEvent->VGetEventType() );
// corresponding listing list is not exist
if( mapIt == m_EventListeners.end() )
{
return false;
}
auto eventListenerList = mapIt->second;
bool processed = false;
for( auto listIt = eventListenerList.begin(); listIt != eventListenerList.end(); ++listIt )
{
EventListenerDelegate listener = (*listIt);
// trigger event
listener( pEvent );
processed = true;
}
return processed;
}
bool EventManager::VUpdate( unsigned long maxMs )
{
unsigned long currMs = (unsigned long) ( GetGlobalTimer()->GetTime() * 1000.0 );
unsigned long targetMs = ( maxMs == kINFINITE )? kINFINITE: currMs + maxMs;
// swap active queues and clear the new queue after the swap
int queueToProcess = m_ActiveQueue;
m_ActiveQueue = (m_ActiveQueue + 1) % EVENTMANAGER_NUM_QUEUES;
m_EventQueues[m_ActiveQueue].clear();
std::string s( ( "EventLoop", "Processing Event Queue " +
ToStr( queueToProcess ) + "; " +
ToStr( ( unsigned long ) m_EventQueues[ queueToProcess ].size() )
+ " events to process" ) ); \
Logger::Log( "EventLoop", s, NULL, NULL, 0 ); \
/*ENG_LOG("EventLoop", "Processing Event Queue " +
ToStr(queueToProcess) + "; " +
ToStr((unsigned long)m_EventQueues[queueToProcess].size())
+ " events to process");*/
// Process the queue
while ( !m_EventQueues[queueToProcess].empty() )
{
// pop the front of the queue
IEventPtr pEvent = m_EventQueues[queueToProcess].front();
m_EventQueues[queueToProcess].pop_front();
ENG_LOG( "EventLoop", "\t\tProcessing Event " + std::string( pEvent->GetName() ) );
const EventType& eventType = pEvent->VGetEventType();
// find all the delegate functions registered for this event
auto findIt = m_EventListeners.find(eventType);
if (findIt != m_EventListeners.end())
{
const EventListenerList& eventListeners = findIt->second;
ENG_LOG("EventLoop", "\t\tFound " + ToStr((unsigned long)eventListeners.size()) + " delegates");
// call each listener
for (auto it = eventListeners.begin(); it != eventListeners.end(); ++it)
{
EventListenerDelegate listener = (*it);
ENG_LOG("EventLoop", "\t\tSending event " + std::string(pEvent->GetName()) + " to delegate");
listener(pEvent);
}
}
// check to see if time ran out
currMs = (unsigned long) ( GetGlobalTimer()->GetTime() * 1000.0 );
if ( targetMs != IEventManager::kINFINITE && currMs >= targetMs )
{
ENG_LOG("EventLoop", "Aborting event processing; time ran out");
break;
}
}
// If we couldn't process all of the events, push the remaining events to the new active queue.
// Note: To preserve sequencing, go back-to-front, inserting them at the head of the active queue
bool queueFlushed = ( m_EventQueues[queueToProcess].empty() );
if ( !queueFlushed )
{
while (!m_EventQueues[queueToProcess].empty())
{
IEventPtr pEvent = m_EventQueues[queueToProcess].back();
m_EventQueues[queueToProcess].pop_back();
m_EventQueues[m_ActiveQueue].push_front(pEvent);
}
}
return queueFlushed;
}
bool ShortcutChooser::assignShortcut()
{
bool shortcutsChanged = false;
// Check, if the user has pressed a meaningful key
if (_keyval != 0)
{
// Construct an eventkey structure to be passed to the EventManager query
GdkEventKey eventKey;
eventKey.keyval = _keyval;
eventKey.state = _state;
// Try to lookup an existing command with the same shortcut
IEventPtr foundEvent = GlobalEventManager().findEvent(&eventKey);
// Only react on non-empty and non-"self" events
if (!foundEvent->empty() && foundEvent != _event)
{
// There is already a command connected to this shortcut, ask the user
const std::string foundEventName = GlobalEventManager().getEventName(foundEvent);
// Construct the message
std::string message =
(boost::format(_("The specified shortcut is already assigned to <b>%s</b>"
"\nOverwrite the current setting and assign this shortcut to <b>%s</b> instead?")) %
foundEventName % _commandName).str();
// Fire up the dialog to ask the user what action to take
IDialogPtr popup = GlobalDialogManager().createMessageBox(
_("Overwrite existing shortcut?"), message, ui::IDialog::MESSAGE_ASK);
// Only react on "YES"
if (popup->run() == ui::IDialog::RESULT_YES)
{
// Disconnect both the found command and the new command
GlobalEventManager().disconnectAccelerator(foundEventName);
GlobalEventManager().disconnectAccelerator(_commandName);
// Create a new accelerator and connect it to the selected command
IAccelerator& accel = GlobalEventManager().addAccelerator(&eventKey);
GlobalEventManager().connectAccelerator(accel, _commandName);
shortcutsChanged = true;
}
}
else
{
// No command is using the accelerator up to now, so assign it
// Disconnect the current command to avoid duplicate accelerators
GlobalEventManager().disconnectAccelerator(_commandName);
// Create a new accelerator and connect it to the selected command
IAccelerator& accel = GlobalEventManager().addAccelerator(&eventKey);
GlobalEventManager().connectAccelerator(accel, _commandName);
shortcutsChanged = true;
}
}
else
{
// No key is specified, disconnect the command
GlobalEventManager().disconnectAccelerator(_commandName);
shortcutsChanged = true;
}
return shortcutsChanged;
}
bool EventManager::Update(unsigned long maxMillis)
{
unsigned long currMS = GetTickCount();
// set the max milliseconds to process events
unsigned long maxMS = (maxMillis == IEventManager::kINFINITE) ? IEventManager::kINFINITE : currMS + maxMillis;
// handle events from other threads
IEventPtr pRealtimeEvent;
while (m_RealTimeEventQueue.try_pop(pRealtimeEvent))
{
QueueEvent(pRealtimeEvent);
currMS = GetTickCount();
if (maxMillis != IEventManager::kINFINITE)
{
if (currMS >= maxMS)
{
CB_ERROR("Too many real time processes hitting the event manager");
}
}
}
// swap active queues and clear the new active after the swap
int queueToProcess = m_ActiveQueue;
m_ActiveQueue = (m_ActiveQueue + 1) % EVENTMANAGER_NUM_QUEUES;
m_Queues[m_ActiveQueue].clear();
CB_LOG("EventLoop", "Processing Event Queue " + ToStr(queueToProcess) + "; " + ToStr((unsigned long)m_Queues[queueToProcess].size()) + " events to process");
// process the queue of events
while (!m_Queues[queueToProcess].empty())
{
// process the first event and pop it
IEventPtr pEvent = m_Queues[queueToProcess].front();
m_Queues[queueToProcess].pop_front();
CB_LOG("EventLoop", "\t\tProcessing Event " + std::string(pEvent->GetName()));
const EventType& eventType = pEvent->GetEventType();
// find all the listeners registered for this event in the map
auto findIt = m_EventListeners.find(eventType);
if (findIt != m_EventListeners.end())
{
// get the list of listeners
const EventListenerList& listeners = findIt->second;
CB_LOG("Event Loop", "\t\tFound " + ToStr((unsigned long)listeners.size()) + " listeners");
// call each listener for this event type
for (auto it = listeners.begin(); it != listeners.end(); ++it)
{
EventListenerDelegate listener = *it;
CB_LOG("EventLoop", "\t\tSending event " + std::string(pEvent->GetName()) + " to listener");
listener(pEvent);
}
}
// check to see if time ran out
currMS = GetTickCount();
if (maxMillis != IEventManager::kINFINITE && currMS >= maxMS)
{
CB_LOG("EventLoop", "Aborting event processing, time ran out");
break;
}
}
bool queueFlushed = m_Queues[queueToProcess].empty();
// if we couldn't process all events, push remaining events on the new active queue
if (!queueFlushed)
{
while (!m_Queues[queueToProcess].empty())
{
IEventPtr pEvent = m_Queues[queueToProcess].back();
m_Queues[queueToProcess].pop_back();
m_Queues[m_ActiveQueue].push_front(pEvent);
}
}
return queueFlushed;
}
