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livetrax/gtk2_ardour/automation_region_view.h
Carl Hetherington 3c00a7ca2a Move ARDOUR::Change into PBD so that Stateful can be aware of
what Change a State reflects.  Hence allow Stateful to do some
of the work of set/get_state in Region.


git-svn-id: svn://localhost/ardour2/branches/3.0@6671 d708f5d6-7413-0410-9779-e7cbd77b26cf
2010-02-10 01:38:20 +00:00

81 lines
2.5 KiB
C++

/*
Copyright (C) 2007 Paul Davis
Author: Dave Robillard
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 __gtk_ardour_automation_region_view_h__
#define __gtk_ardour_automation_region_view_h__
#include "ardour/diskstream.h"
#include "ardour/types.h"
#include "region_view.h"
#include "automation_time_axis.h"
#include "automation_line.h"
#include "enums.h"
#include "canvas.h"
namespace ARDOUR {
class AutomationList;
class Parameter;
};
class TimeAxisView;
class AutomationRegionView : public RegionView
{
public:
AutomationRegionView(ArdourCanvas::Group*,
AutomationTimeAxisView&,
boost::shared_ptr<ARDOUR::Region>,
const Evoral::Parameter& parameter,
boost::shared_ptr<ARDOUR::AutomationList>,
double initial_samples_per_unit,
Gdk::Color const & basic_color);
~AutomationRegionView() {}
void init (Gdk::Color const & basic_color, bool wfd);
inline AutomationTimeAxisView* automation_view() const
{ return dynamic_cast<AutomationTimeAxisView*>(&trackview); }
void set_line(boost::shared_ptr<AutomationLine> line) { _line = line; }
boost::shared_ptr<AutomationLine> line() { return _line; }
// We are a ghost. Meta ghosts? Crazy talk.
virtual GhostRegion* add_ghost(TimeAxisView&) { return NULL; }
void set_height (double);
void reset_width_dependent_items(double pixel_width);
protected:
void create_line(boost::shared_ptr<ARDOUR::AutomationList> list);
bool set_position(nframes64_t pos, void* src, double* ignored);
void region_resized (PBD::Change what_changed);
bool canvas_event(GdkEvent* ev);
void add_automation_event (GdkEvent* event, nframes_t when, double y);
void entered();
void exited();
private:
Evoral::Parameter _parameter;
boost::shared_ptr<AutomationLine> _line;
};
#endif /* __gtk_ardour_automation_region_view_h__ */