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Diffstat (limited to 'src/libs/engine/events/SetPortValueEvent.hpp')
-rw-r--r-- | src/libs/engine/events/SetPortValueEvent.hpp | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/libs/engine/events/SetPortValueEvent.hpp b/src/libs/engine/events/SetPortValueEvent.hpp new file mode 100644 index 00000000..2f2f35e7 --- /dev/null +++ b/src/libs/engine/events/SetPortValueEvent.hpp @@ -0,0 +1,57 @@ +/* This file is part of Ingen. + * Copyright (C) 2007 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 SETPORTVALUEEVENT_H +#define SETPORTVALUEEVENT_H + +#include <string> +#include "Event.hpp" +#include "types.hpp" +using std::string; + +namespace Ingen { + +class Port; + + +/** An event to change the value of a port. + * + * \ingroup engine + */ +class SetPortValueEvent : public Event +{ +public: + SetPortValueEvent(Engine& engine, SharedPtr<Shared::Responder> responder, SampleCount timestamp, const string& port_path, Sample val); + SetPortValueEvent(Engine& engine, SharedPtr<Shared::Responder> responder, SampleCount timestamp, size_t voice_num, const string& port_path, Sample val); + + void execute(SampleCount nframes, FrameTime start, FrameTime end); + void post_process(); + +private: + enum ErrorType { NO_ERROR, PORT_NOT_FOUND, TYPE_MISMATCH }; + + int _voice_num; + string _port_path; + float _val; + Port* _port; + ErrorType _error; +}; + + +} // namespace Ingen + +#endif // SETPORTVALUEEVENT_H |