basic adoption of new mouse binding facility
[ardour.git] / gtk2_ardour / stereo_panner.h
index 991ccc88fc4b8bdaf87ac705ada7148ad8bfa565..294f86babb55cdc35dc8795dd6ba0947977475e1 100644 (file)
 #include <gtkmm/drawingarea.h>
 #include <boost/shared_ptr.hpp>
 
+#include "gtkmm2ext/binding_proxy.h"
+
 namespace PBD {
         class Controllable;
 }
 
+namespace ARDOUR { 
+        class Panner;
+}
+
 class StereoPanner : public Gtk::DrawingArea
 {
   public:
-       StereoPanner (boost::shared_ptr<PBD::Controllable> pos, boost::shared_ptr<PBD::Controllable> width);
+       StereoPanner (boost::shared_ptr<ARDOUR::Panner>);
        ~StereoPanner ();
 
+       sigc::signal<void> StartPositionGesture;
+       sigc::signal<void> StopPositionGesture;
+       sigc::signal<void> StartWidthGesture;
+       sigc::signal<void> StopWidthGesture;
+
   protected:
        bool on_expose_event (GdkEventExpose*);
        bool on_button_press_event (GdkEventButton*);
@@ -47,22 +58,34 @@ class StereoPanner : public Gtk::DrawingArea
         bool on_leave_notify_event (GdkEventCrossing* ev);
 
   private:
+        boost::shared_ptr<ARDOUR::Panner> _panner;
         boost::shared_ptr<PBD::Controllable> position_control;
         boost::shared_ptr<PBD::Controllable> width_control;
         PBD::ScopedConnectionList connections;
         bool dragging;
         bool dragging_position;
+        bool dragging_left;
+        bool dragging_right;
         int drag_start_x;
         int last_drag_x;
+        double accumulated_delta;
+        bool detented;
+
+        Gtk::Window* drag_data_window;
+        Gtk::Label* drag_data_label;
+
+        BindingProxy position_binder;
+        BindingProxy width_binder;
 
         void value_change ();
-        void set_tooltip ();
-        
+        void set_drag_data ();
+
         struct ColorScheme { 
             uint32_t outline;
             uint32_t fill;
             uint32_t text;
             uint32_t background;
+            uint32_t rule;
         };
 
         enum State { 
@@ -74,7 +97,7 @@ class StereoPanner : public Gtk::DrawingArea
         static ColorScheme colors[3];
         static void set_colors ();
         static bool have_colors;
-        static PBD::Signal0<void> color_change;
+        void color_handler ();
 };
 
 #endif /* __gtk_ardour_stereo_panner_h__ */