1 files changed, 105 insertions, 0 deletions
diff --git a/src/libs/client/PortModel.hpp b/src/libs/client/PortModel.hpp
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+++ b/src/libs/client/PortModel.hpp
@@ -0,0 +1,105 @@
+/* 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 PORTMODEL_H
+#define PORTMODEL_H
+
+#include <cstdlib>
+#include <iostream>
+#include <string>
+#include <list>
+#include <sigc++/sigc++.h>
+#include "ObjectModel.hpp"
+#include <raul/SharedPtr.hpp>
+#include <raul/Path.hpp>
+using std::string; using std::list; using std::cerr; using std::endl;
+
+namespace Ingen {
+namespace Client {
+
+
+/** Model of a port.
+ *
+ * \ingroup IngenClient
+ */
+class PortModel : public ObjectModel
+{
+public:
+	enum Direction { INPUT, OUTPUT };
+	
+	inline string type()           const { return _type; }
+	inline float  value()          const { return _current_val; }
+	inline bool   connected()      const { return (_connections > 0); }
+	inline bool   is_input()       const { return (_direction == INPUT); }
+	inline bool   is_output()      const { return (_direction == OUTPUT); }
+	inline bool   is_audio()       const { return (_type == "ingen:audio"); }
+	inline bool   is_control()     const { return (_type == "ingen:control"); }
+	inline bool   is_midi()        const { return (_type == "ingen:midi"); }
+	inline bool   is_osc()         const { return (_type == "ingen:osc"); }
+	
+	bool is_logarithmic() const;
+	bool is_integer()     const;
+	bool is_toggle()      const;
+
+	inline bool operator==(const PortModel& pm) const { return (_path == pm._path); }
+	
+	inline void value(float val)
+	{
+		if (val != _current_val) {
+			_current_val = val;
+			control_change_sig.emit(val);
+		}
+	}
+
+	// Signals
+	sigc::signal<void, float>                 control_change_sig; ///< "Control" ports only
+	sigc::signal<void, SharedPtr<PortModel> > connection_sig;
+	sigc::signal<void, SharedPtr<PortModel> > disconnection_sig;
+
+private:
+	friend class Store;
+	
+	PortModel(const Path& path, const string& type, Direction dir)
+	: ObjectModel(path),
+	  _type(type),
+	  _direction(dir),
+	  _current_val(0.0f),
+	  _connections(0)
+	{
+		if (!is_audio() && !is_control() && !is_input())
+			cerr << "[PortModel] Warning: Unknown port type" << endl;
+	}
+	
+	void add_child(SharedPtr<ObjectModel> c)    { throw; }
+	void remove_child(SharedPtr<ObjectModel> c) { throw; }
+	
+	void connected_to(SharedPtr<PortModel> p)      { ++_connections; connection_sig.emit(p); }
+	void disconnected_from(SharedPtr<PortModel> p) { --_connections; disconnection_sig.emit(p); }
+	
+	string    _type;
+	Direction _direction;
+	float     _current_val;
+	size_t    _connections;
+};
+
+typedef list<SharedPtr<PortModel> > PortModelList;
+
+
+} // namespace Client
+} // namespace Ingen
+
+#endif // PORTMODEL_H