More juggling

git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 88 insertions, 0 deletions

diff --git a/src/libs/engine/events/MidiLearnEvent.cpp b/src/libs/engine/events/MidiLearnEvent.cpp
new file mode 100644
index 00000000..63ad82fc
--- /dev/null
+++ b/src/libs/engine/events/MidiLearnEvent.cpp
@@ -0,0 +1,88 @@
+/* This file is part of Om.  Copyright (C) 2006 Dave Robillard.
+ * 
+ * Om 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.
+ * 
+ * Om 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 "MidiLearnEvent.h"
+#include "Responder.h"
+#include "Om.h"
+#include "OmApp.h"
+#include "ObjectStore.h"
+#include "Node.h"
+#include "MidiControlNode.h"
+#include "ClientBroadcaster.h"
+
+namespace Om {
+
+
+// MidiLearnResponseEvent
+
+void
+MidiLearnResponseEvent::post_process()
+{
+	om->client_broadcaster()->send_control_change(m_port_path, m_value);
+}
+
+
+
+// MidiLearnEvent
+
+MidiLearnEvent::MidiLearnEvent(CountedPtr<Responder> responder, const string& node_path)
+: QueuedEvent(responder),
+  m_node_path(node_path),
+  m_node(NULL),
+  m_response_event(NULL)
+{
+}
+
+
+void
+MidiLearnEvent::pre_process()
+{
+	m_node = om->object_store()->find_node(m_node_path);
+	m_response_event = new MidiLearnResponseEvent(m_node_path + "/Controller Number");
+	
+	QueuedEvent::pre_process();
+}
+
+
+void
+MidiLearnEvent::execute(samplecount offset)
+{	
+	QueuedEvent::execute(offset);
+	
+	// FIXME: this isn't very good at all.
+	if (m_node != NULL && m_node->plugin()->type() == Plugin::Internal
+			&& m_node->plugin()->plug_label() == "midi_control_in") {
+			((MidiControlNode*)m_node)->learn(m_response_event);
+	}
+}
+
+
+void
+MidiLearnEvent::post_process()
+{
+	if (m_node != NULL) {
+		m_responder->respond_ok();
+	} else {
+		string msg = "Did not find node '";
+		msg.append(m_node_path).append("' for MIDI learn.");
+		m_responder->respond_error(msg);
+	}
+}
+
+
+} // namespace Om
+
+