5 files changed, 28 insertions, 14 deletions
diff --git a/src/engine/Engine.cpp b/src/engine/Engine.cpp
index 31c98f2..2054b56 100644
--- a/src/engine/Engine.cpp
+++ b/src/engine/Engine.cpp
@@ -30,7 +30,8 @@ Engine::load_machine(const Glib::ustring& uri)
 {
 	Loader l; // FIXME: namespaces?
 	SharedPtr<Machine> m = l.load(uri);
-	_machine = m;
+	m->activate();
+	_driver->set_machine(m);
 	return m;
 }
 
diff --git a/src/engine/JackDriver.cpp b/src/engine/JackDriver.cpp
index 1056820..a52cd91 100644
--- a/src/engine/JackDriver.cpp
+++ b/src/engine/JackDriver.cpp
@@ -25,13 +25,16 @@ using namespace Raul;
 namespace Machina {
 
 
-JackDriver::JackDriver()
-	: _input_port(NULL)
+JackDriver::JackDriver(SharedPtr<Machine> machine)
+	: _machine(machine)
+	, _input_port(NULL)
 	, _output_port(NULL)
 	, _cycle_time(1/48000.0, 120.0)
 	, _bpm(120.0)
 	, _quantization(120.0)
 {
+	if (!_machine)
+		_machine = SharedPtr<Machine>(new Machine());
 }
 
 
@@ -59,6 +62,8 @@ JackDriver::attach(const std::string& client_name)
 		
 		if (!_output_port)
 			std::cerr << "WARNING: Failed to create MIDI output port." << std::endl;
+
+		_machine->activate();
 	}
 }
 
@@ -66,6 +71,8 @@ JackDriver::attach(const std::string& client_name)
 void
 JackDriver::detach()
 {
+	_machine->deactivate();
+
 	if (_input_port) {
 		jack_port_unregister(jack_client(), _input_port);
 		_input_port = NULL;
diff --git a/src/engine/Loader.cpp b/src/engine/Loader.cpp
index 078d783..edc4ac4 100644
--- a/src/engine/Loader.cpp
+++ b/src/engine/Loader.cpp
@@ -57,12 +57,15 @@ Loader::load(const Glib::ustring& uri)
 
 	rasqal_init();
 
-	//unsigned char* document_uri_str = raptor_uri_filename_to_uri_string(filename.c_str());
-	//assert(document_uri_str);
-	//raptor_uri* document_raptor_uri = raptor_new_uri(document_uri_str);
-	raptor_uri* document_raptor_uri = raptor_new_uri((const unsigned char*)uri.c_str());
+	raptor_uri* base_uri = raptor_new_uri((const unsigned char*)"file:.");
 
-	if (!document_raptor_uri) 
+	raptor_uri* document_raptor_uri = raptor_new_uri_relative_to_base(
+			base_uri, (const unsigned char*)uri.c_str());
+
+	//raptor_uri* document_raptor_uri = raptor_new_uri_for_retrieval(rel_uri);
+	//raptor_free_uri(rel_uri);
+
+	if (!document_raptor_uri)
 		return machine; // NULL
 
 	machine = SharedPtr<Machine>(new Machine());
@@ -210,6 +213,9 @@ Loader::load(const Glib::ustring& uri)
 		
 	//free(document_uri_str);
 	raptor_free_uri(document_raptor_uri);
+	raptor_free_uri(base_uri);
+
+	machine->reset();
 
 	return machine;
 }
diff --git a/src/engine/machina/Engine.hpp b/src/engine/machina/Engine.hpp
index cd4cf27..37aa2db 100644
--- a/src/engine/machina/Engine.hpp
+++ b/src/engine/machina/Engine.hpp
@@ -20,6 +20,7 @@
 
 #include <glibmm/ustring.h>
 #include <raul/SharedPtr.h>
+#include "machina/JackDriver.hpp"
 
 namespace Machina {
 
@@ -29,13 +30,12 @@ class JackDriver;
 
 class Engine {
 public:
-	Engine(SharedPtr<JackDriver> driver, SharedPtr<Machine> machine)
+	Engine(SharedPtr<JackDriver> driver)
 		: _driver(driver)
-		, _machine(machine)
-	{}
+	{ }
 	
 	SharedPtr<JackDriver> driver()  { return _driver; }
-	SharedPtr<Machine>    machine() { return _machine; }
+	SharedPtr<Machine>    machine() { return _driver->machine(); }
 
 	SharedPtr<Machine> load_machine(const Glib::ustring& uri);
 
@@ -44,7 +44,6 @@ public:
 
 private:
 	SharedPtr<JackDriver> _driver;
-	SharedPtr<Machine>    _machine;
 };
 
 
diff --git a/src/engine/machina/JackDriver.hpp b/src/engine/machina/JackDriver.hpp
index f78c1f1..91f4106 100644
--- a/src/engine/machina/JackDriver.hpp
+++ b/src/engine/machina/JackDriver.hpp
@@ -40,11 +40,12 @@ class Node;
 class JackDriver : public Raul::JackDriver, public Machina::MidiDriver,
                    public boost::enable_shared_from_this<JackDriver> {
 public:
-	JackDriver();
+	JackDriver(SharedPtr<Machine> machine = SharedPtr<Machine>());
 
 	void attach(const std::string& client_name);
 	void detach();
 
+	SharedPtr<Machine> machine()                 { return _machine; }
 	void set_machine(SharedPtr<Machine> machine) { _machine = machine; }
 	
 	void write_event(Raul::BeatTime       time,