13
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livetrax/gtk2_ardour/streamview.h
Robin Gareus f003bee985
Use a dedicated Canvas Group for MRV
This fixes rendering of opaque MIDI regions (previously
MIDI regions were always transparent). This change provides a
way to "flatten" layered MIDI regions, while still allowing
to show the note-line and grid behind the regions.
2022-12-10 02:37:05 +01:00

201 lines
6.1 KiB
C++

/*
* Copyright (C) 2005-2019 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2005 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2005 Taybin Rutkin <taybin@taybin.com>
* Copyright (C) 2006-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2007 Doug McLain <doug@nostar.net>
* Copyright (C) 2015-2019 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ardour_streamview_h__
#define __ardour_streamview_h__
#include <list>
#include <cmath>
#include "pbd/signals.h"
#include "ardour/location.h"
#include "enums.h"
namespace Gdk {
class Color;
}
namespace ARDOUR {
class Crossfade;
class Region;
class Route;
class Source;
class Track;
struct PeakData;
}
namespace ArdourCanvas {
class Rectangle;
class Container;
}
struct RecBoxInfo {
ArdourCanvas::Rectangle* rectangle;
samplepos_t start;
ARDOUR::samplecnt_t length;
};
class Selectable;
class RouteTimeAxisView;
class RegionView;
class RegionSelection;
class CrossfadeView;
class Selection;
class StreamView : public sigc::trackable, public PBD::ScopedConnectionList
{
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_pixel (double);
gdouble get_samples_per_pixel () const { return _samples_per_pixel; }
virtual void set_layer_display (LayerDisplay);
virtual bool can_change_layer_display() const { return true; }
LayerDisplay layer_display () const { return _layer_display; }
virtual ArdourCanvas::Container* region_canvas () const { return _canvas_group; }
enum ColorTarget {
RegionColor,
StreamBaseColor
};
uint32_t get_region_color () const { return region_color; }
void apply_color (uint32_t, ColorTarget t);
void apply_color (Gdk::Color const &, ColorTarget t);
uint32_t num_selected_regionviews () const;
RegionView* find_view (boost::shared_ptr<const ARDOUR::Region>);
void foreach_regionview (sigc::slot<void,RegionView*> slot);
void foreach_selected_regionview (sigc::slot<void,RegionView*> slot);
void set_selected_regionviews (RegionSelection&);
void get_selectables (Temporal::timepos_t const &, Temporal::timepos_t const &, double, double, std::list<Selectable* >&, bool within = false);
void get_inverted_selectables (Selection&, std::list<Selectable* >& results);
void get_regionviews_at_or_after (Temporal::timepos_t const &, RegionSelection&);
virtual void update_contents_metrics(boost::shared_ptr<ARDOUR::Region>) {}
void add_region_view (boost::weak_ptr<ARDOUR::Region>);
void region_layered (RegionView*);
virtual void update_contents_height ();
virtual void redisplay_track () = 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;
}
void check_record_layers (boost::shared_ptr<ARDOUR::Region>, ARDOUR::samplepos_t);
virtual void playlist_layered (boost::weak_ptr<ARDOUR::Track>);
sigc::signal<void, RegionView*> RegionViewAdded;
sigc::signal<void> RegionViewRemoved;
/** Emitted when the height of regions has changed */
sigc::signal<void> ContentsHeightChanged;
virtual void parameter_changed (std::string const &);
protected:
StreamView (RouteTimeAxisView&, ArdourCanvas::Container* canvas_group = 0);
void transport_changed();
void transport_looped();
void rec_enable_changed();
void sess_rec_enable_changed();
void create_rec_box(samplepos_t sample_pos, double width);
virtual void setup_rec_box () = 0;
virtual 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_track (boost::shared_ptr<ARDOUR::Track>);
virtual void undisplay_track ();
void layer_regions ();
void playlist_switched (boost::weak_ptr<ARDOUR::Track>);
virtual void color_handler () = 0;
RouteTimeAxisView& _trackview;
ArdourCanvas::Container* _canvas_group;
ArdourCanvas::Rectangle* canvas_rect; /* frame around the whole thing */
typedef std::list<RegionView* > RegionViewList;
RegionViewList region_views;
double _samples_per_pixel;
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;
uint32_t region_color; ///< Contained region color
uint32_t stream_base_color; ///< Background color
PBD::ScopedConnectionList playlist_connections;
PBD::ScopedConnection playlist_switched_connection;
ARDOUR::layer_t _layers;
LayerDisplay _layer_display;
double height;
PBD::ScopedConnectionList rec_data_ready_connections;
samplepos_t last_rec_data_sample;
/* When recording, the session time at which a new layer must be created for the region
being recorded, or max_samplepos if not applicable.
*/
samplepos_t _new_rec_layer_time;
void setup_new_rec_layer_time (boost::shared_ptr<ARDOUR::Region>);
private:
void update_coverage_frame ();
};
#endif /* __ardour_streamview_h__ */