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/*
Copyright (C) 2001, 2006 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_streamview_h__
#define __ardour_streamview_h__
#include <list>
#include <cmath>
#include "ardour/location.h"
#include "enums.h"
#include "simplerect.h"
#include "canvas.h"
namespace Gdk {
class Color;
}
namespace ARDOUR {
class Route;
class Diskstream;
class Crossfade;
class PeakData;
class Region;
class Source;
}
struct RecBoxInfo {
ArdourCanvas::SimpleRect* rectangle;
nframes_t start;
nframes_t length;
};
class Selectable;
class RouteTimeAxisView;
class RegionView;
class RegionSelection;
class CrossfadeView;
class Selection;
class StreamView : public sigc::trackable
{
public:
virtual ~StreamView ();
RouteTimeAxisView& trackview() { return _trackview; }
const RouteTimeAxisView& trackview() const { return _trackview; }
void attach ();
void set_zoom_all();
int set_position (gdouble x, gdouble y);
virtual int set_height (double);
virtual int set_samples_per_unit (gdouble spp);
gdouble get_samples_per_unit () { return _samples_per_unit; }
void set_layer_display (LayerDisplay);
LayerDisplay layer_display () const { return _layer_display; }
ArdourCanvas::Group* background_group() { return _background_group; }
ArdourCanvas::Group* canvas_item() { return canvas_group; }
enum ColorTarget {
RegionColor,
StreamBaseColor
};
Gdk::Color get_region_color () const { return region_color; }
void apply_color (Gdk::Color&, ColorTarget t);
RegionView* find_view (boost::shared_ptr<const ARDOUR::Region>);
void foreach_regionview (sigc::slot<void,RegionView*> slot);
void set_selected_regionviews (RegionSelection&);
void get_selectables (nframes_t, nframes_t, double, double, std::list<Selectable* >&);
void get_inverted_selectables (Selection&, std::list<Selectable* >& results);
virtual void update_contents_metrics(boost::shared_ptr<ARDOUR::Region>) {}
void add_region_view_weak (boost::weak_ptr<ARDOUR::Region> r);
void add_region_view (boost::shared_ptr<ARDOUR::Region>);
void region_layered (RegionView*);
virtual void update_contents_height ();
virtual void redisplay_diskstream () = 0;
double child_height () const;
ARDOUR::layer_t layers () const { return _layers; }
virtual RegionView* create_region_view (boost::shared_ptr<ARDOUR::Region>, bool, bool) {
return 0;
}
sigc::signal<void,RegionView*> RegionViewAdded;
sigc::signal<void> HeightChanged;
protected:
StreamView (RouteTimeAxisView&, ArdourCanvas::Group* group = NULL);
void transport_changed();
void transport_looped();
void rec_enable_changed();
void sess_rec_enable_changed();
virtual void setup_rec_box () = 0;
void update_rec_box ();
virtual RegionView* add_region_view_internal (boost::shared_ptr<ARDOUR::Region>,
bool wait_for_waves, bool recording = false) = 0;
virtual void remove_region_view (boost::weak_ptr<ARDOUR::Region> );
void display_diskstream (boost::shared_ptr<ARDOUR::Diskstream>);
virtual void undisplay_diskstream ();
void diskstream_changed ();
void layer_regions ();
virtual void playlist_changed_weak (boost::weak_ptr<ARDOUR::Diskstream>);
virtual void playlist_changed (boost::shared_ptr<ARDOUR::Diskstream>);
virtual void playlist_modified_weak (boost::weak_ptr<ARDOUR::Diskstream>);
virtual void playlist_modified (boost::shared_ptr<ARDOUR::Diskstream>);
virtual void color_handler () = 0;
RouteTimeAxisView& _trackview;
bool owns_canvas_group;
ArdourCanvas::Group* _background_group;
ArdourCanvas::Group* canvas_group;
ArdourCanvas::SimpleRect* canvas_rect; /* frame around the whole thing */
typedef std::list<RegionView* > RegionViewList;
RegionViewList region_views;
double _samples_per_unit;
sigc::connection screen_update_connection;
std::vector<RecBoxInfo> rec_rects;
std::list< std::pair<boost::shared_ptr<ARDOUR::Region>,RegionView* > > rec_regions;
bool rec_updating;
bool rec_active;
bool use_rec_regions;
Gdk::Color region_color; ///< Contained region color
uint32_t stream_base_color; ///< Background color
std::vector<sigc::connection> playlist_connections;
sigc::connection playlist_change_connection;
ARDOUR::layer_t _layers;
LayerDisplay _layer_display;
double height;
std::list<sigc::connection> rec_data_ready_connections;
jack_nframes_t last_rec_data_frame;
private:
void update_coverage_frames ();
};
#endif /* __ardour_streamview_h__ */
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