factor out shuttle controller to its own class, new design

[ardour.git] / gtk2_ardour / automation_line.h

diff --git a/gtk2_ardour/automation_line.h b/gtk2_ardour/automation_line.h
index ec6034ccf2e7b9fa902bc8c8a9a4ca723a2cd6c5..a05a7b918058b493def596db721c278c5f9d5d1c 100644 (file)
--- a/gtk2_ardour/automation_line.h
+++ b/gtk2_ardour/automation_line.h
@@ -59,7 +59,7 @@ class AutomationLine : public sigc::trackable, public PBD::StatefulDestructible
   public:
        AutomationLine (const std::string& name, TimeAxisView&, ArdourCanvas::Group&,
                        boost::shared_ptr<ARDOUR::AutomationList>,
-                       const Evoral::TimeConverter<double, ARDOUR::sframes_t>* converter = 0);
+                       const Evoral::TimeConverter<double, ARDOUR::framepos_t>* converter = 0);
        virtual ~AutomationLine ();
 
        void queue_reset ();
@@ -134,14 +134,19 @@ class AutomationLine : public sigc::trackable, public PBD::StatefulDestructible
 
        virtual MementoCommandBinder<ARDOUR::AutomationList>* memento_command_binder ();
 
-       const Evoral::TimeConverter<double, ARDOUR::sframes_t>& time_converter () const {
+       const Evoral::TimeConverter<double, ARDOUR::framepos_t>& time_converter () const {
                return _time_converter;
        }
 
-       void set_maximum_time (ARDOUR::framepos_t);
-       ARDOUR::framepos_t maximum_time () const {
+       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);
        
   protected:
 
@@ -188,7 +193,6 @@ class AutomationLine : public sigc::trackable, public PBD::StatefulDestructible
        void list_changed ();
 
        virtual bool event_handler (GdkEvent*);
-       virtual void add_model_point (ALPoints& tmp_points, double frame, double yfract);
 
   private:
        std::list<ControlPoint*> _drag_points; ///< points we are dragging
@@ -198,8 +202,12 @@ class AutomationLine : public sigc::trackable, public PBD::StatefulDestructible
        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;
+       /** 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;
 
-       const Evoral::TimeConverter<double, ARDOUR::sframes_t>& _time_converter;
+       const Evoral::TimeConverter<double, ARDOUR::framepos_t>& _time_converter;
 
        void reset_line_coords (ControlPoint&);
        void add_visible_control_point (uint32_t, uint32_t, double, double, ARDOUR::AutomationList::iterator, uint32_t);
@@ -224,7 +232,7 @@ class AutomationLine : public sigc::trackable, public PBD::StatefulDestructible
 
        PBD::ScopedConnectionList _list_connections;
 
-       /** maximum time that a point on this line can be at, relative to the start of its region or track */
+       /** 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;