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livetrax/gtk2_ardour/region_gain_line.h
Nick Mainsbridge 183f69970c some C++-ification of GnomeCanvasBlah
git-svn-id: svn://localhost/trunk/ardour2@82 d708f5d6-7413-0410-9779-e7cbd77b26cf
2005-11-13 03:53:51 +00:00

44 lines
968 B
C++

#ifndef __ardour_gtk_region_gain_line_h__
#define __ardour_gtk_region_gain_line_h__
#include <ardour/ardour.h>
#include <libgnomecanvasmm/libgnomecanvasmm.h>
#include <gtkmm.h>
#include "automation_line.h"
namespace ARDOUR {
class Session;
}
class TimeAxisView;
class AudioRegionView;
class AudioRegionGainLine : public AutomationLine
{
public:
AudioRegionGainLine (string name, ARDOUR::Session&, AudioRegionView&, Gnome::Canvas::Item& parent,
ARDOUR::Curve&,
gint (*point_callback)(Gnome::Canvas::Item*, GdkEvent*, gpointer),
gint (*line_callback)(Gnome::Canvas::Item*, GdkEvent*, gpointer));
void view_to_model_y (double&);
void model_to_view_y (double&);
void start_drag (ControlPoint*, 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__ */