238 lines
7.8 KiB
C++
238 lines
7.8 KiB
C++
/*
|
|
Copyright (C) 2002 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_automation_line_h__
|
|
#define __ardour_automation_line_h__
|
|
|
|
#include <vector>
|
|
#include <list>
|
|
#include <string>
|
|
#include <sys/types.h>
|
|
|
|
#include <sigc++/signal.h>
|
|
|
|
#include "evoral/TimeConverter.hpp"
|
|
|
|
#include "pbd/undo.h"
|
|
#include "pbd/statefuldestructible.h"
|
|
#include "pbd/memento_command.h"
|
|
|
|
#include "ardour/automation_list.h"
|
|
#include "ardour/types.h"
|
|
|
|
#include "canvas/types.h"
|
|
#include "canvas/group.h"
|
|
#include "canvas/poly_line.h"
|
|
|
|
class AutomationLine;
|
|
class ControlPoint;
|
|
class PointSelection;
|
|
class TimeAxisView;
|
|
class AutomationTimeAxisView;
|
|
class Selectable;
|
|
class Selection;
|
|
|
|
|
|
/** A GUI representation of an ARDOUR::AutomationList */
|
|
class AutomationLine : public sigc::trackable, public PBD::StatefulDestructible
|
|
{
|
|
public:
|
|
enum VisibleAspects {
|
|
Line = 0x1,
|
|
ControlPoints = 0x2,
|
|
SelectedControlPoints = 0x4
|
|
};
|
|
|
|
AutomationLine (const std::string& name, TimeAxisView&, ArdourCanvas::Group&,
|
|
boost::shared_ptr<ARDOUR::AutomationList>,
|
|
Evoral::TimeConverter<double, ARDOUR::framepos_t>* converter = 0);
|
|
virtual ~AutomationLine ();
|
|
|
|
void queue_reset ();
|
|
void reset ();
|
|
void clear ();
|
|
|
|
void set_selected_points (PointSelection const &);
|
|
void get_selectables (ARDOUR::framepos_t, ARDOUR::framepos_t, double, double, std::list<Selectable*>&);
|
|
void get_inverted_selectables (Selection&, std::list<Selectable*>& results);
|
|
|
|
virtual void remove_point (ControlPoint&);
|
|
bool control_points_adjacent (double xval, uint32_t& before, uint32_t& after);
|
|
|
|
/* dragging API */
|
|
virtual void start_drag_single (ControlPoint*, double, float);
|
|
virtual void start_drag_line (uint32_t, uint32_t, float);
|
|
virtual void start_drag_multiple (std::list<ControlPoint*>, float, XMLNode *);
|
|
virtual std::pair<double, float> drag_motion (double, float, bool, bool with_push, uint32_t& final_index);
|
|
virtual void end_drag (bool with_push, uint32_t final_index);
|
|
|
|
ControlPoint* nth (uint32_t);
|
|
ControlPoint const * nth (uint32_t) const;
|
|
uint32_t npoints() const { return control_points.size(); }
|
|
|
|
std::string name() const { return _name; }
|
|
bool visible() const { return _visible != VisibleAspects(0); }
|
|
guint32 height() const { return _height; }
|
|
|
|
void set_line_color (uint32_t);
|
|
uint32_t get_line_color() const { return _line_color; }
|
|
|
|
void set_visibility (VisibleAspects);
|
|
void add_visibility (VisibleAspects);
|
|
void remove_visibility (VisibleAspects);
|
|
|
|
void hide ();
|
|
void set_height (guint32);
|
|
void set_uses_gain_mapping (bool yn);
|
|
bool get_uses_gain_mapping () const { return _uses_gain_mapping; }
|
|
|
|
TimeAxisView& trackview;
|
|
|
|
ArdourCanvas::Group& canvas_group() const { return *group; }
|
|
ArdourCanvas::Item& parent_group() const { return _parent_group; }
|
|
ArdourCanvas::Item& grab_item() const { return *line; }
|
|
|
|
std::string get_verbose_cursor_string (double) const;
|
|
std::string get_verbose_cursor_relative_string (double, double) const;
|
|
std::string fraction_to_string (double) const;
|
|
std::string fraction_to_relative_string (double, double) const;
|
|
double string_to_fraction (std::string const &) const;
|
|
void view_to_model_coord (double& x, double& y) const;
|
|
void view_to_model_coord_y (double &) const;
|
|
void model_to_view_coord (double& x, double& y) const;
|
|
|
|
void set_list(boost::shared_ptr<ARDOUR::AutomationList> list);
|
|
boost::shared_ptr<ARDOUR::AutomationList> the_list() const { return alist; }
|
|
|
|
void track_entered();
|
|
void track_exited();
|
|
|
|
bool is_last_point (ControlPoint &);
|
|
bool is_first_point (ControlPoint &);
|
|
|
|
XMLNode& get_state (void);
|
|
int set_state (const XMLNode&, int version);
|
|
void set_colors();
|
|
|
|
void modify_point_y (ControlPoint&, double);
|
|
|
|
virtual MementoCommandBinder<ARDOUR::AutomationList>* memento_command_binder ();
|
|
|
|
const Evoral::TimeConverter<double, ARDOUR::framepos_t>& time_converter () const {
|
|
return *_time_converter;
|
|
}
|
|
|
|
std::pair<ARDOUR::framepos_t, ARDOUR::framepos_t> get_point_x_range () const;
|
|
|
|
void set_maximum_time (ARDOUR::framecnt_t);
|
|
ARDOUR::framecnt_t maximum_time () const {
|
|
return _maximum_time;
|
|
}
|
|
|
|
void set_offset (ARDOUR::framecnt_t);
|
|
void set_width (ARDOUR::framecnt_t);
|
|
|
|
framepos_t session_position (ARDOUR::AutomationList::const_iterator) const;
|
|
|
|
protected:
|
|
|
|
std::string _name;
|
|
guint32 _height;
|
|
uint32_t _line_color;
|
|
|
|
boost::shared_ptr<ARDOUR::AutomationList> alist;
|
|
Evoral::TimeConverter<double, ARDOUR::framepos_t>* _time_converter;
|
|
/** true if _time_converter belongs to us (ie we should delete it on destruction) */
|
|
bool _our_time_converter;
|
|
|
|
VisibleAspects _visible;
|
|
|
|
bool _uses_gain_mapping;
|
|
bool terminal_points_can_slide;
|
|
bool update_pending;
|
|
bool have_timeout;
|
|
bool no_draw;
|
|
bool _is_boolean;
|
|
/** true if we did a push at any point during the current drag */
|
|
bool did_push;
|
|
|
|
ArdourCanvas::Group& _parent_group;
|
|
ArdourCanvas::Group* group;
|
|
ArdourCanvas::PolyLine* line; /* line */
|
|
ArdourCanvas::Points line_points; /* coordinates for canvas line */
|
|
std::vector<ControlPoint*> control_points; /* visible control points */
|
|
|
|
class ContiguousControlPoints : public std::list<ControlPoint*> {
|
|
public:
|
|
ContiguousControlPoints (AutomationLine& al);
|
|
double clamp_dx (double dx);
|
|
void move (double dx, double dy);
|
|
void compute_x_bounds ();
|
|
private:
|
|
AutomationLine& line;
|
|
double before_x;
|
|
double after_x;
|
|
};
|
|
|
|
friend class ContiguousControlPoints;
|
|
|
|
typedef boost::shared_ptr<ContiguousControlPoints> CCP;
|
|
std::vector<CCP> contiguous_points;
|
|
|
|
void sync_model_with_view_point (ControlPoint&);
|
|
void sync_model_with_view_points (std::list<ControlPoint*>);
|
|
void start_drag_common (double, float);
|
|
|
|
virtual void change_model (ARDOUR::AutomationList::iterator, double x, double y);
|
|
|
|
void reset_callback (const Evoral::ControlList&);
|
|
void list_changed ();
|
|
|
|
virtual bool event_handler (GdkEvent*);
|
|
|
|
private:
|
|
std::list<ControlPoint*> _drag_points; ///< points we are dragging
|
|
std::list<ControlPoint*> _push_points; ///< additional points we are dragging if "push" is enabled
|
|
bool _drag_had_movement; ///< true if the drag has seen movement, otherwise false
|
|
double _drag_x; ///< last x position of the drag, in units
|
|
double _drag_distance; ///< total x movement of the drag, in canvas units
|
|
double _last_drag_fraction; ///< last y position of the drag, as a fraction
|
|
/** offset from the start of the automation list to the start of the line, so that
|
|
* a +ve offset means that the 0 on the line is at _offset in the list
|
|
*/
|
|
ARDOUR::framecnt_t _offset;
|
|
|
|
void show ();
|
|
void reset_line_coords (ControlPoint&);
|
|
void add_visible_control_point (uint32_t, uint32_t, double, double, ARDOUR::AutomationList::iterator, uint32_t);
|
|
double control_point_box_size ();
|
|
void connect_to_list ();
|
|
void interpolation_changed (ARDOUR::AutomationList::InterpolationStyle);
|
|
|
|
PBD::ScopedConnectionList _list_connections;
|
|
|
|
/** maximum time that a point on this line can be at, relative to the position of its region or start of its track */
|
|
ARDOUR::framecnt_t _maximum_time;
|
|
|
|
friend class AudioRegionGainLine;
|
|
};
|
|
|
|
#endif /* __ardour_automation_line_h__ */
|
|
|