/* This file is part of Machina.
 * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
 * 
 * Machina 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.
 * 
 * Machina 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 Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

#ifndef MACHINA_EDGEVIEW_H
#define MACHINA_EDGEVIEW_H

#include <flowcanvas/Connection.h>

namespace Machina { class Edge; }
class NodeView;


class EdgeView : public LibFlowCanvas::Connection {
public:
	EdgeView(SharedPtr<LibFlowCanvas::FlowCanvas> canvas,
	         SharedPtr<NodeView>                  src,
	         SharedPtr<NodeView>                  dst,
	         SharedPtr<Machina::Edge>             edge);

	SharedPtr<Machina::Edge> edge() { return _edge; }

	void show_label(bool show);
	
	virtual double length_hint() const;

private:
	void update_label();
	bool on_event(GdkEvent* ev);

	SharedPtr<Machina::Edge> _edge;
};


#endif // MACHINA_EDGEVIEW_H