Follow Jack port creation/destruction.

git-svn-id: http://svn.drobilla.net/lad/patchage@257 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 83 insertions, 0 deletions

diff --git a/src/PatchageEvent.cpp b/src/PatchageEvent.cpp
new file mode 100644
index 0000000..456756c
--- /dev/null
+++ b/src/PatchageEvent.cpp
@@ -0,0 +1,83 @@
+/* This file is part of Patchage.  Copyright (C) 2005 Dave Robillard.
+ * 
+ * Patchage is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ * 
+ * Patchage is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "raul/SharedPtr.h"
+#include "Patchage.h"
+#include "PatchageFlowCanvas.h"
+#include "PatchageModule.h"
+#include "PatchageEvent.h"
+#include "JackDriver.h"
+
+void
+PatchageEvent::execute()
+{
+	//cerr << "{ EXECUTING EVENT" << endl;
+
+	jack_port_t* const jack_port = jack_port_by_id(_patchage->jack_driver()->client(), _port_id);
+	const string full_name = jack_port_name(jack_port);
+	const string module_name = full_name.substr(0, full_name.find(":"));
+	const string port_name = full_name.substr(full_name.find(":")+1);
+
+	SharedPtr<PatchageModule> module = PtrCast<PatchageModule>(
+		_patchage->canvas()->get_module(module_name));
+
+	if (_type == PORT_CREATION) {
+
+		if (!module) {
+			module = boost::shared_ptr<PatchageModule>(
+					new PatchageModule(_patchage, module_name, InputOutput));
+			module->load_location();
+			module->store_location();
+			_patchage->canvas()->add_module(module);
+			module->show();
+		}
+	
+		boost::shared_ptr<PatchagePort> port = PtrCast<PatchagePort>(
+			module->get_port(port_name));
+		if (!port) {
+			port = _patchage->jack_driver()->create_port(module, jack_port);
+			module->add_port(port);
+			module->resize();
+		}
+
+	} else if (_type == PORT_DESTRUCTION) {
+
+		if (!module) {
+			cerr << "Unable to find module for port " << full_name << endl;
+			return;
+		}
+
+		boost::shared_ptr<PatchagePort> port = PtrCast<PatchagePort>(
+				module->remove_port(full_name.substr(full_name.find(":")+1)));
+
+		if (!port)
+			cerr << "Destroy port: Unable to find port " << full_name << endl;
+		else {
+			//cerr << "Destroyed port " << full_name << endl;
+			port->hide(); 
+			port.reset(); // FIXME: leak?
+		}
+
+	}
+
+	if (module->num_ports() == 0) {
+		_patchage->canvas()->remove_module(module->name()); // FIXME: slow
+		module->hide();
+		module.reset();
+	}
+
+	//cerr << "}" << endl << endl;
+}