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livetrax/gtk2_ardour/marker.h

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/*
Copyright (C) 2001 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 __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"
namespace ARDOUR {
class TempoSection;
class MeterSection;
}
class PublicEditor;
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/** 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,
SessionStart, ///< session start
SessionEnd, ///< session end
RangeStart,
RangeEnd,
LoopStart,
LoopEnd,
PunchIn,
PunchOut
};
ArdourMarker (PublicEditor& editor, ArdourCanvas::Container &, guint32 rgba, const std::string& text, Type,
framepos_t frame = 0, bool handle_events = 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_show_line (bool);
void canvas_height_set (double);
void set_position (framepos_t);
void set_name (const std::string&);
void set_color_rgba (uint32_t rgba);
void setup_line ();
framepos_t position() const { return frame_position; }
ArdourCanvas::Container * get_parent() { return _parent; }
void reparent (ArdourCanvas::Container & 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;
protected:
PublicEditor& editor;
Pango::FontDescription name_font;
ArdourCanvas::Container* _parent;
ArdourCanvas::Container *group;
ArdourCanvas::Polygon *mark;
ArdourCanvas::Text *_name_item;
ArdourCanvas::Points *points;
ArdourCanvas::Line* _track_canvas_line;
ArdourCanvas::Rectangle* _name_background;
std::string _name;
double unit_position;
framepos_t frame_position;
double _shift;
Type _type;
int name_height;
bool _selected;
bool _shown;
bool _line_shown;
double _canvas_height;
uint32_t _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;
void reposition ();
void setup_line_x ();
void setup_name_display ();
private:
/* disallow copy construction */
ArdourMarker (ArdourMarker const &);
ArdourMarker & operator= (ArdourMarker const &);
};
class TempoMarker : public ArdourMarker
{
public:
TempoMarker (PublicEditor& editor, ArdourCanvas::Container &, guint32 rgba, const std::string& text, ARDOUR::TempoSection&);
~TempoMarker ();
ARDOUR::TempoSection& tempo() const { return _tempo; }
void update_height_mark (const double& ratio);
private:
ARDOUR::TempoSection& _tempo;
};
class MeterMarker : public ArdourMarker
{
public:
MeterMarker (PublicEditor& editor, ArdourCanvas::Container &, guint32 rgba, const std::string& text, ARDOUR::MeterSection&);
~MeterMarker ();
ARDOUR::MeterSection& meter() const { return _meter; }
private:
ARDOUR::MeterSection& _meter;
};
#endif /* __gtk_ardour_marker_h__ */