From d5a514148bec58cd7e97d032259362b2e19c0e95 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Fri, 29 Jan 2010 01:43:54 +0000
Subject: 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
---
 src/engine/ControlBindings.hpp | 57 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 src/engine/ControlBindings.hpp

(limited to 'src/engine/ControlBindings.hpp')

diff --git a/src/engine/ControlBindings.hpp b/src/engine/ControlBindings.hpp
new file mode 100644
index 00000000..5e1e123d
--- /dev/null
+++ b/src/engine/ControlBindings.hpp
@@ -0,0 +1,57 @@
+/* This file is part of Ingen.
+ * Copyright (C) 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 CONTROL_BINDIGNS_HPP
+#define CONTROL_BINDINGS_HPP
+
+#include <stdint.h>
+#include <map>
+#include "raul/SharedPtr.hpp"
+#include "shared/LV2URIMap.hpp"
+
+namespace Ingen {
+
+class Engine;
+class ProcessContext;
+class EventBuffer;
+class PortImpl;
+
+class ControlBindings {
+public:
+	ControlBindings(Engine& engine, SharedPtr<Shared::LV2URIMap> map)
+		: _engine(engine)
+		, _map(map)
+		, _learn_port(NULL)
+	{}
+
+	void learn(PortImpl* port);
+	void process(ProcessContext& context, EventBuffer* buffer);
+
+private:
+	Engine&                      _engine;
+	SharedPtr<Shared::LV2URIMap> _map;
+	PortImpl*                    _learn_port;
+
+	void set_port_value(ProcessContext& context, PortImpl* port, int8_t value);
+
+	typedef std::map<int8_t, PortImpl*> Bindings;
+	Bindings _bindings;
+};
+
+} // namespace Ingen
+
+#endif // CONTROL_BINDINGS_HPP
-- 
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