changes to help strp silence

[ardour.git] / gtk2_ardour / automation_line.h

diff --git a/gtk2_ardour/automation_line.h b/gtk2_ardour/automation_line.h
index 1f3c72c4c7b0e5dc630b978253e31563ea2da95c..3e0f0f4bb3c364b0a163f6d7b9f6a2180b943ed1 100644 (file)
--- a/gtk2_ardour/automation_line.h
+++ b/gtk2_ardour/automation_line.h
@@ -1,5 +1,5 @@
 /*
-    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
@@ -29,12 +29,11 @@
 #include <sigc++/signal.h>
 #include "canvas.h"
 #include "simplerect.h"
-#include "shared_ptrs.h"
 
 #include "evoral/TimeConverter.hpp"
 
 #include "pbd/undo.h"
-#include "pbd/statefuldestructible.h" 
+#include "pbd/statefuldestructible.h"
 
 #include "ardour/automation_list.h"
 #include "ardour/types.h"
@@ -53,10 +52,10 @@ namespace Gnome {
        }
 }
 
-class AutomationLine : public sigc::trackable, public PBD::StatefulThingWithGoingAway
+class AutomationLine : public sigc::trackable, public PBD::StatefulDestructible
 {
   public:
-       AutomationLine (const std::string& name, TimeAxisViewPtr, ArdourCanvas::Group&,
+       AutomationLine (const std::string& name, TimeAxisView&, ArdourCanvas::Group&,
                        boost::shared_ptr<ARDOUR::AutomationList>,
                        const Evoral::TimeConverter<double, ARDOUR::sframes_t>* converter = 0);
        virtual ~AutomationLine ();
@@ -65,20 +64,22 @@ class AutomationLine : public sigc::trackable, public PBD::StatefulThingWithGoin
        void reset ();
        void clear();
 
+       std::list<ControlPoint*> point_selection_to_control_points (PointSelection const &); 
        void set_selected_points (PointSelection&);
        void get_selectables (nframes_t& start, nframes_t& end,
-                             double botfrac, double topfrac, 
+                             double botfrac, double topfrac,
                              std::list<Selectable*>& results);
        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);
+       virtual void end_drag ();
 
        ControlPoint* nth (uint32_t);
        uint32_t npoints() const { return control_points.size(); }
@@ -98,15 +99,12 @@ class AutomationLine : public sigc::trackable, public PBD::StatefulThingWithGoin
        void    set_uses_gain_mapping (bool yn);
        bool    get_uses_gain_mapping () const { return _uses_gain_mapping; }
 
-       TimeAxisViewPtr trackview;
+       TimeAxisView& trackview;
 
        ArdourCanvas::Group& 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 ();
-
        std::string get_verbose_cursor_string (double) const;
        std::string fraction_to_string (double) const;
        double string_to_fraction (std::string const &) const;
@@ -126,17 +124,20 @@ class AutomationLine : public sigc::trackable, public PBD::StatefulThingWithGoin
        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);
-       
+
+       void add_always_in_view (double);
+       void clear_always_in_view ();
+
   protected:
 
        std::string    _name;
        guint32   _height;
        uint32_t  _line_color;
-       
+
        boost::shared_ptr<ARDOUR::AutomationList> alist;
 
        bool    _visible                  : 1;
@@ -163,33 +164,35 @@ class AutomationLine : public sigc::trackable, public PBD::StatefulThingWithGoin
 
        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);
-       
+       void sync_model_with_view_point (ControlPoint&, bool, int64_t);
+       void sync_model_with_view_points (std::list<ControlPoint*>, bool, int64_t);
+       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 ();
+       PBD::ScopedConnection _state_connection;
 
        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;
+       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 units
+       double _last_drag_fraction; ///< last y position of the drag, as a fraction
+       std::list<double> _always_in_view;
 
        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&);
+       void add_visible_control_point (uint32_t, uint32_t, double, double, ARDOUR::AutomationList::iterator, uint32_t);
 
        double control_point_box_size ();