6 files changed, 49 insertions, 14 deletions

diff --git a/src/AlsaDriver.cpp b/src/AlsaDriver.cpp
index b9d6a48..5a11b67 100644
--- a/src/AlsaDriver.cpp
+++ b/src/AlsaDriver.cpp
@@ -274,9 +274,9 @@ AlsaDriver::refresh_connections()
 	boost::shared_ptr<PatchageModule> m;
 	boost::shared_ptr<PatchagePort>   p;
 	
-	for (ItemMap::iterator i = _app->canvas()->items().begin();
+	for (ItemList::iterator i = _app->canvas()->items().begin();
 			i != _app->canvas()->items().end(); ++i) {
-		m = boost::dynamic_pointer_cast<PatchageModule>((*i).second);
+		m = boost::dynamic_pointer_cast<PatchageModule>(*i);
 		if (m) {
 			for (PortVector::const_iterator j = m->ports().begin(); j != m->ports().end(); ++j) {
 				p = boost::dynamic_pointer_cast<PatchagePort>(*j);
diff --git a/src/JackDriver.cpp b/src/JackDriver.cpp
index 3f2920c..02bd105 100644
--- a/src/JackDriver.cpp
+++ b/src/JackDriver.cpp
@@ -114,9 +114,9 @@ JackDriver::detach()
 void
 JackDriver::destroy_all_ports()
 {
-	ItemMap modules = _app->canvas()->items(); // copy
-	for (ItemMap::iterator m = modules.begin(); m != modules.end(); ++m) {
-		SharedPtr<Module> module = PtrCast<Module>(m->second);
+	ItemList modules = _app->canvas()->items(); // copy
+	for (ItemList::iterator m = modules.begin(); m != modules.end(); ++m) {
+		SharedPtr<Module> module = PtrCast<Module>(*m);
 		if (!module)
 			continue;
 		PortVector ports = module->ports(); // copy
@@ -128,7 +128,7 @@ JackDriver::destroy_all_ports()
 		}
 
 		if (module->ports().empty())
-			_app->canvas()->remove_item(module->name());
+			_app->canvas()->remove_item(module);
 	}
 }
 
diff --git a/src/Patchage.cpp b/src/Patchage.cpp
index ce41c47..0e73a37 100644
--- a/src/Patchage.cpp
+++ b/src/Patchage.cpp
@@ -437,10 +437,10 @@ Patchage::zoom_changed()
 void
 Patchage::update_state()
 {
-	for (ItemMap::iterator i = _canvas->items().begin(); i != _canvas->items().end(); ++i) {
-		SharedPtr<Module> module = PtrCast<Module>((*i).second);
+	for (ItemList::iterator i = _canvas->items().begin(); i != _canvas->items().end(); ++i) {
+		SharedPtr<Module> module = PtrCast<Module>(*i);
 		if (module) 
-		module->load_location();
+			module->load_location();
 	}
 
 	//cerr << "[Patchage] Resizing window: (" << _state_manager->get_window_size().x
diff --git a/src/PatchageEvent.cpp b/src/PatchageEvent.cpp
index 09b28a1..0eed12e 100644
--- a/src/PatchageEvent.cpp
+++ b/src/PatchageEvent.cpp
@@ -75,7 +75,7 @@ PatchageEvent::execute()
 	}
 
 	if (module->num_ports() == 0) {
-		_patchage->canvas()->remove_item(module->name()); // FIXME: slow
+		_patchage->canvas()->remove_item(module);
 		module->hide();
 		module.reset();
 	}
diff --git a/src/PatchageFlowCanvas.cpp b/src/PatchageFlowCanvas.cpp
index bdb5c0a..042d259 100644
--- a/src/PatchageFlowCanvas.cpp
+++ b/src/PatchageFlowCanvas.cpp
@@ -33,11 +33,24 @@ PatchageFlowCanvas::PatchageFlowCanvas(Patchage* app, int width, int height)
 }
 
 
+boost::shared_ptr<Item>
+PatchageFlowCanvas::get_item(const string& name)
+{
+	ItemList::iterator m = _items.begin();
+
+	for ( ; m != _items.end(); ++m)
+		if ((*m)->name() == name)
+			break;
+
+	return (m == _items.end()) ? boost::shared_ptr<Item>() : *m;
+}
+
+
 boost::shared_ptr<PatchageModule>
 PatchageFlowCanvas::find_module(const string& name, ModuleType type)
 {
-	for (ItemMap::iterator m = _items.begin(); m != _items.end(); ++m) {
-		boost::shared_ptr<PatchageModule> pm = boost::dynamic_pointer_cast<PatchageModule>((*m).second);
+	for (ItemList::iterator m = _items.begin(); m != _items.end(); ++m) {
+		boost::shared_ptr<PatchageModule> pm = boost::dynamic_pointer_cast<PatchageModule>(*m);
 		if (pm && pm->name() == name && pm->type() == type) {
 			return pm;
 		}
@@ -52,8 +65,8 @@ boost::shared_ptr<PatchagePort>
 PatchageFlowCanvas::find_port(const snd_seq_addr_t* alsa_addr)
 {
 	boost::shared_ptr<PatchagePort> pp;
-	for (ItemMap::iterator m = _items.begin(); m != _items.end(); ++m) {
-		SharedPtr<Module> module = PtrCast<Module>(m->second);
+	for (ItemList::iterator m = _items.begin(); m != _items.end(); ++m) {
+		SharedPtr<Module> module = PtrCast<Module>(*m);
 		if (!module)
 			continue;
 		for (PortVector::const_iterator p = module->ports().begin(); p != module->ports().end(); ++p) {
@@ -130,3 +143,21 @@ PatchageFlowCanvas::status_message(const string& msg)
 	_app->status_message(string("[Canvas] ").append(msg));
 }
 
+
+boost::shared_ptr<Port>
+PatchageFlowCanvas::get_port(const string& node_name, const string& port_name)
+{
+	for (ItemList::iterator i = _items.begin(); i != _items.end(); ++i) {
+		const boost::shared_ptr<Item> item = *i;
+		const boost::shared_ptr<Module> module
+			= boost::dynamic_pointer_cast<Module>(item);
+		if (!module)
+			continue;
+		const boost::shared_ptr<Port> port = module->get_port(port_name);
+		if (module->name() == node_name && port)
+			return port;
+	}
+	
+	return boost::shared_ptr<Port>();
+}
+
diff --git a/src/PatchageFlowCanvas.h b/src/PatchageFlowCanvas.h
index 05b7bef..899c503 100644
--- a/src/PatchageFlowCanvas.h
+++ b/src/PatchageFlowCanvas.h
@@ -45,6 +45,10 @@ public:
 	void disconnect(boost::shared_ptr<Connectable> port1, boost::shared_ptr<Connectable> port2);
 
 	void status_message(const string& msg);
+	
+	boost::shared_ptr<Item> get_item(const string& name);
+	boost::shared_ptr<Port> get_port(const string& module_name,
+                                     const string& port_name);
 
 private:
 	Patchage* _app;