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livetrax/gtk2_ardour/region_gain_line.h

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/*
Copyright (C) 2000-2007 Paul Davis
This program 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.
This program 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 more 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_gtk_region_gain_line_h__
#define __ardour_gtk_region_gain_line_h__
#include <ardour/ardour.h>
#include <libgnomecanvasmm.h>
#include "automation_line.h"
namespace ARDOUR {
class Session;
}
class TimeAxisView;
class AudioRegionView;
class AudioRegionGainLine : public AutomationLine
{
public:
AudioRegionGainLine (const string & name, ARDOUR::Session&, AudioRegionView&, ArdourCanvas::Group& parent, boost::shared_ptr<ARDOUR::AutomationList>);
void view_to_model_y (double&);
void model_to_view_y (double&);
void start_drag (ControlPoint*, nframes_t x, float fraction);
void end_drag (ControlPoint*);
void remove_point (ControlPoint&);
private:
ARDOUR::Session& session;
AudioRegionView& rv;
UndoAction get_memento();
};
#endif /* __ardour_gtk_region_gain_line_h__ */