/*
- Copyright (C) 2002 Paul Davis
+ 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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#ifndef __ardour_automation_line_h__
#include <sigc++/signal.h>
#include "canvas.h"
#include "simplerect.h"
-#include <pbd/undo.h>
-#include <ardour/automation_event.h>
+#include "evoral/TimeConverter.hpp"
+#include "pbd/undo.h"
+#include "pbd/statefuldestructible.h"
+#include "pbd/memento_command.h"
-using std::vector;
-using std::string;
+#include "ardour/automation_list.h"
+#include "ardour/types.h"
class AutomationLine;
class ControlPoint;
}
}
-class ControlPoint
+/** A GUI representation of an ARDOUR::AutomationList */
+class AutomationLine : public sigc::trackable, public PBD::StatefulDestructible
{
public:
- ControlPoint (AutomationLine& al);
- ControlPoint (const ControlPoint&, bool dummy_arg_to_force_special_copy_constructor);
- virtual ~ControlPoint ();
-
- enum ShapeType {
- Full,
- Start,
- End
- };
-
- void move_to (double x, double y, ShapeType);
- void reset (double x, double y, ARDOUR::AutomationList::iterator, uint32_t, ShapeType);
- double get_x() const { return _x; }
- double get_y() const { return _y; }
-
- void hide ();
- void show ();
- void show_color (bool entered, bool hide_too);
-
- void set_size (double);
- void set_visible (bool);
-
- ArdourCanvas::SimpleRect* item;
- AutomationLine& line;
- uint32_t view_index;
- ARDOUR::AutomationList::iterator model;
- bool can_slide;
- bool selected;
-
- protected:
- virtual bool event_handler (GdkEvent*);
-
- private:
- double _x;
- double _y;
- double _size;
- ShapeType _shape;
-};
-
-class AutomationLine : public sigc::trackable
-{
- public:
- AutomationLine (const string & name, TimeAxisView&, ArdourCanvas::Group&, ARDOUR::AutomationList&);
+ 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 clear ();
- void set_selected_points (PointSelection&);
- void get_selectables (jack_nframes_t& start, jack_nframes_t& end,
- double botfrac, double topfrac,
- list<Selectable*>& results);
- void get_inverted_selectables (Selection&, list<Selectable*>& results);
+ 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 (ControlPoint*, float fraction);
- virtual void point_drag(ControlPoint&, jack_nframes_t x, float, bool with_push);
- virtual void end_drag (ControlPoint*);
- virtual void line_drag(uint32_t i1, uint32_t i2, float, bool with_push);
+ /* 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);
+ virtual void end_drag ();
ControlPoint* nth (uint32_t);
+ ControlPoint const * nth (uint32_t) const;
uint32_t npoints() const { return control_points.size(); }
- string name() const { return _name; }
+ std::string name() const { return _name; }
bool visible() const { return _visible; }
- guint32 height() const { return _height; }
+ guint32 height() const { return _height; }
- void set_line_color (uint32_t);
+ void set_line_color (uint32_t);
uint32_t get_line_color() const { return _line_color; }
void show ();
void hide ();
void set_height (guint32);
- void set_verbose_cursor_uses_gain_mapping (bool yn);
+ void set_uses_gain_mapping (bool yn);
+ bool get_uses_gain_mapping () const { return _uses_gain_mapping; }
TimeAxisView& trackview;
ArdourCanvas::Item& parent_group() const { return _parent_group; }
ArdourCanvas::Item& grab_item() const { return *line; }
- void show_selection();
- void hide_selection ();
-
- void set_point_size (double size);
-
- virtual string get_verbose_cursor_string (float);
- virtual void view_to_model_y (double&) = 0;
- virtual void model_to_view_y (double&) = 0;
+ std::string get_verbose_cursor_string (double) const;
+ std::string fraction_to_string (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;
- ARDOUR::AutomationList& the_list() const { return alist; }
+ void set_list(boost::shared_ptr<ARDOUR::AutomationList> list);
+ boost::shared_ptr<ARDOUR::AutomationList> the_list() const { return alist; }
void show_all_control_points ();
void hide_all_but_selected_control_points ();
+ 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:
- string _name;
- guint32 _height;
- uint32_t _line_color;
- ARDOUR::AutomationList& alist;
- bool _visible : 1;
- bool _vc_uses_gain_mapping : 1;
+ 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;
+
+ bool _visible : 1;
+ bool _uses_gain_mapping : 1;
bool terminal_points_can_slide : 1;
- bool update_pending : 1;
- bool no_draw : 1;
- bool points_visible : 1;
-
- ArdourCanvas::Group& _parent_group;
- ArdourCanvas::Group* group;
- ArdourCanvas::Line* line; /* line */
- ArdourCanvas::Points line_points; /* coordinates for canvas line */
- vector<ControlPoint*> control_points; /* visible control points */
-
- struct ALPoint {
- double x;
- double y;
- ALPoint (double xx, double yy) : x(xx), y(yy) {}
- };
-
- typedef std::vector<ALPoint> ALPoints;
-
- static void invalidate_point (ALPoints&, uint32_t index);
- static bool invalid_point (ALPoints&, uint32_t index);
-
- void determine_visible_control_points (ALPoints&);
- void sync_model_from (ControlPoint&);
- void sync_model_with_view_point (ControlPoint&);
- void sync_model_with_view_line (uint32_t, uint32_t);
- void modify_view (ControlPoint&, double, double, bool with_push);
-
- virtual void change_model (ARDOUR::AutomationList::iterator, double x, double y);
- virtual void change_model_range (ARDOUR::AutomationList::iterator,ARDOUR::AutomationList::iterator, double delta, float ydelta);
+ bool update_pending : 1;
+ bool no_draw : 1;
+ bool _is_boolean : 1;
+ bool points_visible : 1;
+ bool did_push;
+
+ ArdourCanvas::Group& _parent_group;
+ ArdourCanvas::Group* group;
+ ArdourCanvas::Line* line; /* line */
+ ArdourCanvas::Points line_points; /* coordinates for canvas line */
+ std::vector<ControlPoint*> control_points; /* visible control points */
+
+ void sync_model_with_view_point (ControlPoint&, ARDOUR::framecnt_t);
+ void sync_model_with_view_points (std::list<ControlPoint*>, ARDOUR::framecnt_t);
+ void start_drag_common (double, float);
- void reset_callback (const ARDOUR::AutomationList&);
- void list_changed (ARDOUR::Change);
+ virtual void change_model (ARDOUR::AutomationList::iterator, double x, double y);
- UndoAction get_memento();
+ void reset_callback (const Evoral::ControlList&);
+ void list_changed ();
virtual bool event_handler (GdkEvent*);
-
+
private:
- uint32_t drags;
- double first_drag_fraction;
- double last_drag_fraction;
- uint32_t line_drag_cp1;
- uint32_t line_drag_cp2;
+ 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 modify_view_point(ControlPoint&, double, double, bool with_push);
void reset_line_coords (ControlPoint&);
- void update_line ();
-
- struct ModelRepresentation {
- ARDOUR::AutomationList::iterator start;
- ARDOUR::AutomationList::iterator end;
- jack_nframes_t xpos;
- double ypos;
- jack_nframes_t xmin;
- double ymin;
- jack_nframes_t xmax;
- double ymax;
- jack_nframes_t xval;
- double yval;
- };
-
- void model_representation (ControlPoint&, ModelRepresentation&);
+ 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;
};