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/*
Copyright (C) 2004 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_ghost_region_h__
#define __ardour_gtk_ghost_region_h__
#include <vector>
#include <libgnomecanvasmm.h>
#include "pbd/signals.h"
#include "canvas.h"
namespace Gnome {
namespace Canvas {
class CanvasNoteEvent;
class CanvasNote;
class CanvasHit;
class Diamond;
}
}
class MidiStreamView;
class TimeAxisView;
class GhostRegion : public sigc::trackable
{
public:
GhostRegion(ArdourCanvas::Group* parent, TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos);
virtual ~GhostRegion();
virtual void set_samples_per_unit(double spu) = 0;
virtual void set_height();
virtual void set_colors();
void set_duration(double units);
guint source_track_color(unsigned char alpha = 0xff);
bool is_automation_ghost();
/** TimeAxisView that is the AutomationTimeAxisView that we are on */
TimeAxisView& trackview;
/** TimeAxisView that we are a ghost for */
TimeAxisView& source_trackview;
ArdourCanvas::Group* group;
ArdourCanvas::SimpleRect* base_rect;
static PBD::Signal1<void,GhostRegion*> CatchDeletion;
};
class AudioGhostRegion : public GhostRegion {
public:
AudioGhostRegion(TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos);
void set_samples_per_unit(double spu);
void set_height();
void set_colors();
std::vector<ArdourCanvas::WaveView*> waves;
};
class MidiGhostRegion : public GhostRegion {
public:
class Event : public sigc::trackable {
public:
Event(ArdourCanvas::CanvasNoteEvent *, ArdourCanvas::Group *);
~Event ();
ArdourCanvas::CanvasNoteEvent* event;
ArdourCanvas::SimpleRect* rect;
};
MidiGhostRegion(TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos);
MidiGhostRegion(MidiStreamView& msv, TimeAxisView& source_tv, double initial_unit_pos);
~MidiGhostRegion();
MidiStreamView* midi_view();
void set_height();
void set_samples_per_unit(double spu);
void set_colors();
void update_range();
void add_note(ArdourCanvas::CanvasNote*);
void update_note (ArdourCanvas::CanvasNote *);
void remove_note (ArdourCanvas::CanvasNoteEvent *);
void clear_events();
private:
MidiGhostRegion::Event* find_event (ArdourCanvas::CanvasNoteEvent *);
typedef std::list<MidiGhostRegion::Event*> EventList;
EventList events;
EventList::iterator _optimization_iterator;
};
#endif /* __ardour_gtk_ghost_region_h__ */
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