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authorDavid Robillard <d@drobilla.net>2010-01-29 01:43:54 +0000
committerDavid Robillard <d@drobilla.net>2010-01-29 01:43:54 +0000
commitd5a514148bec58cd7e97d032259362b2e19c0e95 (patch)
tree64ea4dd182a8918b47a6d5f391e2cd097aebb526 /src/engine/events/Learn.cpp
parent36039b294ee823ceb2c239129defc5eafa110247 (diff)
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Magic MIDI binding via special ingen_control port.
Always set lv2:minimum and lv2:maximum properties for control ports so they show up in properties dialog (and can be used for MIDI binding). git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@2391 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/engine/events/Learn.cpp')
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diff --git a/src/engine/events/Learn.cpp b/src/engine/events/Learn.cpp
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+/* This file is part of Ingen.
+ * Copyright (C) 2007-2009 Dave Robillard <http://drobilla.net>
+ *
+ * Ingen 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.
+ *
+ * Ingen 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "events/Learn.hpp"
+#include "ClientBroadcaster.hpp"
+#include "ControlBindings.hpp"
+#include "Engine.hpp"
+#include "EngineStore.hpp"
+#include "NodeImpl.hpp"
+#include "PluginImpl.hpp"
+#include "PortImpl.hpp"
+#include "Responder.hpp"
+#include "internals/Controller.hpp"
+
+using namespace std;
+
+namespace Ingen {
+namespace Events {
+
+
+Learn::Learn(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp, const Raul::Path& path)
+ : QueuedEvent(engine, responder, timestamp)
+ , _error(NO_ERROR)
+ , _path(path)
+ , _object(NULL)
+ , _done(false)
+{
+}
+
+
+void
+Learn::pre_process()
+{
+ _object = _engine.engine_store()->find_object(_path);
+
+ PortImpl* port = dynamic_cast<PortImpl*>(_object);
+ if (port) {
+ _done = true;
+ if (port->type() == Shared::PortType::CONTROL)
+ _engine.control_bindings()->learn(port);
+ }
+
+ QueuedEvent::pre_process();
+}
+
+
+void
+Learn::execute(ProcessContext& context)
+{
+ QueuedEvent::execute(context);
+
+ if (_done || !_object)
+ return;
+
+ NodeImpl* node = dynamic_cast<NodeImpl*>(_object);
+ if (node) {
+ if (node->plugin_impl()->type() == Shared::Plugin::Internal) {
+ ((NodeBase*)_object)->learn();
+ } else {
+ _error = INVALID_NODE_TYPE;
+ }
+ }
+}
+
+
+void
+Learn::post_process()
+{
+ if (_error == NO_ERROR) {
+ _responder->respond_ok();
+ } else if (_object == NULL) {
+ string msg = "Did not find node '";
+ msg.append(_path.str()).append("' for learn.");
+ _responder->respond_error(msg);
+ } else {
+ const string msg = string("Object '") + _path.str() + "' is not capable of learning.";
+ _responder->respond_error(msg);
+ }
+}
+
+
+} // namespace Ingen
+} // namespace Events
+
+