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+/* 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
+ */
+
+#ifndef SETPORTVALUEQUEUEDEVENT_H
+#define SETPORTVALUEQUEUEDEVENT_H
+
+#include "QueuedEvent.h"
+#include "util/types.h"
+#include <string>
+using std::string;
+
+namespace Om {
+
+class Port;
+
+
+/** An event to change the value of a port.
+ *
+ * \ingroup engine
+ */
+class SetPortValueQueuedEvent : public QueuedEvent
+{
+public:
+ SetPortValueQueuedEvent(CountedPtr<Responder> responder, const string& port_path, sample val);
+ SetPortValueQueuedEvent(CountedPtr<Responder> responder, size_t voice_num, const string& port_path, sample val);
+
+ void pre_process();
+ void execute(samplecount offset);
+ void post_process();
+
+private:
+ enum ErrorType { NO_ERROR, PORT_NOT_FOUND, TYPE_MISMATCH };
+
+ int m_voice_num;
+ string m_port_path;
+ float m_val;
+ Port* m_port;
+ ErrorType m_error;
+};
+
+
+} // namespace Om
+
+#endif // SETPORTVALUEQUEUEDEVENT_H