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diff --git a/src/engine/events/Disconnect.hpp b/src/engine/events/Disconnect.hpp
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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
+ */
+
+#ifndef DISCONNECTIONEVENT_H
+#define DISCONNECTIONEVENT_H
+
+#include "raul/Path.hpp"
+#include "QueuedEvent.hpp"
+#include "types.hpp"
+#include "PatchImpl.hpp"
+
+namespace Raul {
+ template <typename T> class ListNode;
+ template <typename T> class Array;
+}
+
+namespace Ingen {
+
+class NodeImpl;
+class ConnectionImpl;
+class MidiMessage;
+class PortImpl;
+class InputPort;
+class OutputPort;
+class CompiledPatch;
+
+
+/** Make a Connection between two Ports.
+ *
+ * \ingroup engine
+ */
+class DisconnectionEvent : public QueuedEvent
+{
+public:
+ DisconnectionEvent(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp, const Raul::Path& src_port_path, const Raul::Path& dst_port_path);
+ DisconnectionEvent(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp, PortImpl* const src_port, PortImpl* const dst_port);
+
+ void pre_process();
+ void execute(ProcessContext& context);
+ void post_process();
+
+private:
+
+ enum ErrorType {
+ NO_ERROR,
+ PARENT_PATCH_DIFFERENT,
+ PORT_NOT_FOUND,
+ TYPE_MISMATCH,
+ NOT_CONNECTED,
+ PARENTS_NOT_FOUND,
+ CONNECTION_NOT_FOUND
+ };
+
+ Raul::Path _src_port_path;
+ Raul::Path _dst_port_path;
+
+ PatchImpl* _patch;
+ PortImpl* _src_port;
+ PortImpl* _dst_port;
+ OutputPort* _src_output_port;
+ InputPort* _dst_input_port;
+
+ bool _lookup;
+
+ PatchImpl::Connections::Node* _patch_connection;
+ CompiledPatch* _compiled_patch; ///< New process order for Patch
+
+ ErrorType _error;
+};
+
+
+} // namespace Ingen
+
+#endif // DISCONNECTIONEVENT_H