split out the logic behind step editing from MidiTimeAxisView as much as possible

[ardour.git] / gtk2_ardour / ghostregion.h

diff --git a/gtk2_ardour/ghostregion.h b/gtk2_ardour/ghostregion.h
index 823d164ede52231f7c220b99e048fe787148f8dc..3939c46a4b897f3e4e8b0dd0029128d0454747fd 100644 (file)
--- a/gtk2_ardour/ghostregion.h
+++ b/gtk2_ardour/ghostregion.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2004 Paul Davis 
+    Copyright (C) 2004 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
@@ -21,8 +21,8 @@
 #define __ardour_gtk_ghost_region_h__
 
 #include <vector>
-#include <sigc++/signal.h>
 #include <libgnomecanvasmm.h>
+#include "pbd/signals.h"
 #include "canvas.h"
 
 namespace Gnome {
@@ -37,10 +37,10 @@ namespace Gnome {
 class MidiStreamView;
 class TimeAxisView;
 
-class GhostRegion : public sigc::trackable 
+class GhostRegion
 {
 public:
-       GhostRegion(ArdourCanvas::Group* parent, TimeAxisViewPtr tv, TimeAxisViewPtr source_tv, double initial_unit_pos);
+       GhostRegion(ArdourCanvas::Group* parent, TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos);
        virtual ~GhostRegion();
 
        virtual void set_samples_per_unit(double spu) = 0;
@@ -52,17 +52,17 @@ public:
        guint source_track_color(unsigned char alpha = 0xff);
        bool is_automation_ghost();
 
-       sigc::signal<void,GhostRegion*> GoingAway;
-
-       TimeAxisViewPtr trackview;
-       TimeAxisViewPtr source_trackview;
+       TimeAxisView& trackview;
+       TimeAxisView& source_trackview;
        ArdourCanvas::Group* group;
        ArdourCanvas::SimpleRect* base_rect;
+
+       static PBD::Signal1<void,GhostRegion*> CatchDeletion;
 };
 
 class AudioGhostRegion : public GhostRegion {
 public:
-       AudioGhostRegion(TimeAxisViewPtr tv, TimeAxisViewPtr source_tv, double initial_unit_pos);
+       AudioGhostRegion(TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos);
 
        void set_samples_per_unit(double spu);
        void set_height();
@@ -99,9 +99,9 @@ public:
                void x_changed();
                ArdourCanvas::Diamond* diamond;
        };
-       
-       MidiGhostRegion(TimeAxisViewPtr tv, TimeAxisViewPtr source_tv, double initial_unit_pos);
-       MidiGhostRegion(MidiStreamView& msv, TimeAxisViewPtr source_tv, double initial_unit_pos);
+
+       MidiGhostRegion(TimeAxisView& tv, TimeAxisView& source_tv, double initial_unit_pos);
+       MidiGhostRegion(MidiStreamView& msv, TimeAxisView& source_tv, double initial_unit_pos);
        ~MidiGhostRegion();
 
        MidiStreamView* midi_view();