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livetrax/gtk2_ardour/marker.h

253 lines
6.8 KiB
C++

/*
* Copyright (C) 2005-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2005 Taybin Rutkin <taybin@taybin.com>
* Copyright (C) 2008-2011 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2014-2017 Robin Gareus <robin@gareus.org>
* Copyright (C) 2016-2017 Nick Mainsbridge <mainsbridge@gmail.com>
*
* 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 __gtk_ardour_marker_h__
#define __gtk_ardour_marker_h__
#include <string>
#include <glib.h>
#include <sigc++/signal.h>
#include "ardour/ardour.h"
#include "pbd/signals.h"
#include "canvas/fwd.h"
#include "canvas/types.h"
#include "canvas/circle.h"
#include "canvas/text.h"
namespace Temporal {
class Point;
class TempoPoint;
class MeterPoint;
class MusicTimePoint;
}
class PublicEditor;
class RegionView;
class TempoCurve;
/** Location Marker
*
* Editor ruler representation of a location marker or range on the timeline.
*/
class ArdourMarker : public sigc::trackable
{
public:
enum Type {
Mark,
Tempo,
Meter,
BBTPosition,
SessionStart, ///< session start
SessionEnd, ///< session end
Section,
RangeStart,
RangeEnd,
LoopStart,
LoopEnd,
PunchIn,
PunchOut,
RegionCue,
Cue,
SelectionStart,
SelectionEnd,
};
ArdourMarker (PublicEditor& editor, ArdourCanvas::Item &, std::string const& color_name, std::string const& text, Type,
Temporal::timepos_t const & position, bool handle_events = true, RegionView* rv = nullptr, bool use_tooltip = true);
virtual ~ArdourMarker ();
static PBD::Signal1<void,ArdourMarker*> CatchDeletion;
static void setup_sizes (const double timebar_height);
ArdourCanvas::Item& the_item() const;
void set_selected (bool);
void set_entered (bool);
void set_show_line (bool);
void set_line_height (double);
virtual void reposition ();
virtual void set_position (Temporal::timepos_t const &);
void set_name (const std::string&, const std::string & tooltip = std::string());
void set_color (std::string const& color_name);
void set_points_color (std::string const& color_name);
void setup_line ();
ARDOUR::timepos_t position() const { return _position; }
ArdourCanvas::Item * get_parent() { return _parent; }
void reparent (ArdourCanvas::Item & parent);
void hide ();
void show ();
Type type () { return _type; }
void set_left_label_limit (double);
void set_right_label_limit (double);
std::string name () const {
return _name;
}
bool label_on_left () const;
/* this will be null for all global markers; non-null for region markers */
RegionView* region_view() const { return _region_view; }
/* this will be -1 for all non-cue markers; or cue_index for cue markers */
void set_cue_index(int c) { _cue_index = c; set_name(_name); }
int cue_index() const { return _cue_index; }
protected:
PublicEditor& editor;
Pango::FontDescription name_font;
ArdourCanvas::Item* _parent;
ArdourCanvas::Item *group;
ArdourCanvas::Circle *_pcue;
ArdourCanvas::Polygon *_pmark;
ArdourCanvas::Text *_name_item;
ArdourCanvas::Points *points;
ArdourCanvas::Line* _track_canvas_line;
ArdourCanvas::Rectangle* _name_flag;
std::string _name;
double unit_position;
ARDOUR::timepos_t _position;
double _shift;
Type _type;
int name_height;
int name_descent;
bool _selected;
bool _entered;
bool _shown;
bool _line_shown;
bool _use_tooltip;
std::string _color;
std::string _points_color;
double _left_label_limit; ///< the number of pixels available to the left of this marker for a label
double _right_label_limit; ///< the number of pixels available to the right of this marker for a label
double _label_offset;
double _line_height;
RegionView* _region_view;
int _cue_index;
void setup_line_x ();
void setup_name_display ();
private:
/* disallow copy construction */
ArdourMarker (ArdourMarker const &);
ArdourMarker & operator= (ArdourMarker const &);
static uint32_t color (std::string const&);
void apply_color ();
void color_handler ();
};
class SelectionMarker : public ArdourMarker
{
public:
SelectionMarker (PublicEditor& ed, ArdourCanvas::Item& parent, std::string const& color_name, Type);
};
class MetricMarker : public ArdourMarker
{
public:
MetricMarker (PublicEditor& ed, ArdourCanvas::Item& parent, std::string const& color_name, const std::string& annotation, Type type, Temporal::timepos_t const & pos, bool handle_events);
virtual Temporal::Point const & point() const = 0;
virtual void update() = 0;
};
class TempoMarker : public MetricMarker
{
public:
TempoMarker (PublicEditor& editor, ArdourCanvas::Item & parent, ArdourCanvas::Item & text_parent, std::string const& color_name, const std::string& text, Temporal::TempoPoint const &, samplepos_t sample, uint32_t curve_color);
~TempoMarker ();
void reset_tempo (Temporal::TempoPoint const & t);
void update ();
void reposition ();
Temporal::TempoPoint const & tempo() const { return *_tempo; }
Temporal::Point const & point() const;
TempoCurve& curve();
private:
Temporal::TempoPoint const * _tempo;
TempoCurve* _curve;
ArdourCanvas::Text* _mapping_text;
};
class MeterMarker : public MetricMarker
{
public:
MeterMarker (PublicEditor& editor, ArdourCanvas::Item &, std::string const& color_name, const std::string& text, Temporal::MeterPoint const &);
~MeterMarker ();
void reset_meter (Temporal::MeterPoint const & m);
void update ();
Temporal::MeterPoint const & meter() const { return *_meter; }
Temporal::Point const & point() const;
private:
Temporal::MeterPoint const * _meter;
};
class BBTMarker : public MetricMarker
{
public:
BBTMarker (PublicEditor& editor, ArdourCanvas::Item &, std::string const& color_name, Temporal::MusicTimePoint const &);
~BBTMarker ();
void reset_point (Temporal::MusicTimePoint const &);
void update ();
void set_position (Temporal::timepos_t const &);
Temporal::MusicTimePoint const & mt_point() const { return *_point; }
Temporal::Point const & point() const;
private:
Temporal::MusicTimePoint const * _point;
TempoMarker* tempo_marker;
MeterMarker* meter_marker;
};
#endif /* __gtk_ardour_marker_h__ */