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livetrax/gtk2_ardour/automation_region_view.h
David Robillard c1cfa12d6e Wrap MusicalTime in a class.
This lets us get a more explicit handle on time conversions, and is the main
step towards using actual beat:tick time and getting away from floating point
precision problems.
2014-11-22 04:05:42 -05:00

93 lines
3.1 KiB
C++

/*
Copyright (C) 2007 Paul Davis
Author: David 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/types.h"
#include "region_view.h"
#include "automation_time_axis.h"
#include "automation_line.h"
#include "enums.h"
namespace ARDOUR {
class AutomationList;
class Parameter;
};
class TimeAxisView;
class AutomationRegionView : public RegionView
{
public:
AutomationRegionView(ArdourCanvas::Container*,
AutomationTimeAxisView&,
boost::shared_ptr<ARDOUR::Region>,
const Evoral::Parameter& parameter,
boost::shared_ptr<ARDOUR::AutomationList>,
double initial_samples_per_pixel,
uint32_t basic_color);
~AutomationRegionView();
void init (bool wfd);
bool paste (framepos_t pos,
unsigned paste_count,
float times,
boost::shared_ptr<const ARDOUR::AutomationList> slist);
ARDOUR::DoubleBeatsFramesConverter const & region_relative_time_converter () const {
return _region_relative_time_converter;
}
ARDOUR::DoubleBeatsFramesConverter const & source_relative_time_converter () const {
return _source_relative_time_converter;
}
inline AutomationTimeAxisView* automation_view() const
{ return dynamic_cast<AutomationTimeAxisView*>(&trackview); }
boost::shared_ptr<AutomationLine> line() { return _line; }
// We are a ghost. Meta ghosts? Crazy talk.
virtual GhostRegion* add_ghost(TimeAxisView&) { return 0; }
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(framepos_t pos, void* src, double* ignored);
void region_resized (const PBD::PropertyChange&);
bool canvas_group_event(GdkEvent* ev);
void add_automation_event (GdkEvent* event, framepos_t when, double y, bool with_guard_points);
void entered (bool);
void exited();
private:
ARDOUR::DoubleBeatsFramesConverter _region_relative_time_converter;
ARDOUR::DoubleBeatsFramesConverter _source_relative_time_converter;
Evoral::Parameter _parameter;
boost::shared_ptr<AutomationLine> _line;
};
#endif /* __gtk_ardour_automation_region_view_h__ */