/*
- 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
#include <string>
#include <sys/types.h>
-#include <libgnomecanvasmm/line.h>
#include <sigc++/signal.h>
-#include "canvas.h"
-#include "simplerect.h"
#include "evoral/TimeConverter.hpp"
#include "pbd/undo.h"
-#include "pbd/statefuldestructible.h"
+#include "pbd/statefuldestructible.h"
+#include "pbd/memento_command.h"
#include "ardour/automation_list.h"
+#include "ardour/parameter_descriptor.h"
#include "ardour/types.h"
+#include "canvas/types.h"
+#include "canvas/container.h"
+#include "canvas/poly_line.h"
+
class AutomationLine;
class ControlPoint;
class PointSelection;
class AutomationTimeAxisView;
class Selectable;
class Selection;
+class PublicEditor;
-namespace Gnome {
- namespace Canvas {
- class SimpleRect;
- }
-}
-class AutomationLine : public sigc::trackable, public PBD::StatefulThingWithGoingAway
+/** A GUI representation of an ARDOUR::AutomationList */
+class AutomationLine : public sigc::trackable, public PBD::StatefulDestructible
{
- public:
- AutomationLine (const string& name, TimeAxisView&, ArdourCanvas::Group&,
- boost::shared_ptr<ARDOUR::AutomationList>,
- const Evoral::TimeConverter<double, ARDOUR::sframes_t>* converter = 0);
+public:
+ enum VisibleAspects {
+ Line = 0x1,
+ ControlPoints = 0x2,
+ SelectedControlPoints = 0x4
+ };
+
+ AutomationLine (const std::string& name,
+ TimeAxisView& tv,
+ ArdourCanvas::Item& parent,
+ boost::shared_ptr<ARDOUR::AutomationList> al,
+ const ARDOUR::ParameterDescriptor& desc,
+ 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 (nframes_t& start, nframes_t& end,
- double botfrac, double topfrac,
- std::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*, nframes_t x, float fraction);
- virtual void point_drag(ControlPoint&, 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);
+ 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(); }
- string name() const { return _name; }
- bool visible() const { return _visible; }
+ 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_interpolation(ARDOUR::AutomationList::InterpolationStyle style);
+ void set_visibility (VisibleAspects);
+ void add_visibility (VisibleAspects);
+ void remove_visibility (VisibleAspects);
- void show ();
- void hide ();
- void set_height (guint32);
- void set_uses_gain_mapping (bool yn);
- bool get_uses_gain_mapping () const { return _uses_gain_mapping; }
+ 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::Container& canvas_group() const { return *group; }
ArdourCanvas::Item& parent_group() const { return _parent_group; }
ArdourCanvas::Item& grab_item() const { return *line; }
- void show_selection();
- void hide_selection ();
-
- string get_verbose_cursor_string (double) const;
- string fraction_to_string (double) const;
- double string_to_fraction (string const &) const;
+ virtual 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 model_to_view_coord_y (double &) const;
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_first_point (ControlPoint &);
XMLNode& get_state (void);
- int set_state (const XMLNode&);
+ int set_state (const XMLNode&, int version);
void set_colors();
void modify_point_y (ControlPoint&, double);
-
- protected:
- string _name;
+ 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;
- 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;
+ 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::Line* line; /* line */
+ ArdourCanvas::Item& _parent_group;
+ ArdourCanvas::Container* group;
+ ArdourCanvas::PolyLine* line; /* line */
ArdourCanvas::Points line_points; /* coordinates for canvas line */
std::vector<ControlPoint*> control_points; /* visible control points */
- struct ALPoint {
- double x;
- double y;
- ALPoint (double xx, double yy) : x(xx), y(yy) {}
+ 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 (PublicEditor& e);
+private:
+ AutomationLine& line;
+ double before_x;
+ double after_x;
};
- typedef std::vector<ALPoint> ALPoints;
+ friend class ContiguousControlPoints;
- 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_with_view_point (ControlPoint&, bool did_push, int64_t distance);
- void sync_model_with_view_line (uint32_t, uint32_t);
-
- virtual void change_model (ARDOUR::AutomationList::iterator, double x, double y);
+ typedef boost::shared_ptr<ContiguousControlPoints> CCP;
+ std::vector<CCP> contiguous_points;
+
+ bool sync_model_with_view_point (ControlPoint&);
+ bool sync_model_with_view_points (std::list<ControlPoint*>);
+ void start_drag_common (double, float);
void reset_callback (const Evoral::ControlList&);
void list_changed ();
virtual bool event_handler (GdkEvent*);
- virtual void add_model_point (ALPoints& tmp_points, double frame, double yfract);
-
- private:
- uint32_t drags;
- double first_drag_fraction;
- double last_drag_fraction;
- uint32_t line_drag_cp1;
- uint32_t line_drag_cp2;
- int64_t drag_x;
- int64_t drag_distance;
-
- const Evoral::TimeConverter<double, ARDOUR::sframes_t>& _time_converter;
- ARDOUR::AutomationList::InterpolationStyle _interpolation;
-
- void modify_view_point (ControlPoint&, double, double, bool with_push);
- void reset_line_coords (ControlPoint&);
+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;
+
+ bool is_stepped() const;
+ void update_visibility ();
+ 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);
- struct ModelRepresentation {
- ARDOUR::AutomationList::iterator start;
- ARDOUR::AutomationList::iterator end;
- double xpos;
- double ypos;
- double xmin;
- double ymin;
- double xmax;
- double ymax;
- double xval;
- double yval;
- };
+ 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;
- void model_representation (ControlPoint&, ModelRepresentation&);
+ const ARDOUR::ParameterDescriptor _desc;
friend class AudioRegionGainLine;
};