X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fpbd%2Fpbd%2Fundo.h;h=11ff2bf321b806106001ce8a9f27d768b890c86a;hb=54bf06e63cee78dfa218f604d862e577d0f5754c;hp=6340ef04b9e79263f98f1df14e4e693db4b9bbef;hpb=f6fdd8dcbf41f864e9f0cc32dabe81fe3533ddfe;p=ardour.git

diff --git a/libs/pbd/pbd/undo.h b/libs/pbd/pbd/undo.h
index 6340ef04b9..11ff2bf321 100644
--- a/libs/pbd/pbd/undo.h
+++ b/libs/pbd/pbd/undo.h
@@ -27,17 +27,17 @@
 #include <sigc++/bind.h>
 #include <sys/time.h>
 
-#include "pbd/scoped_connections.h"
 #include "pbd/command.h"
 
 typedef sigc::slot<void> UndoAction;
 
-class UndoTransaction : public Command, public PBD::ScopedConnectionList
+class UndoTransaction : public Command
 {
   public:
 	UndoTransaction ();
 	UndoTransaction (const UndoTransaction&);
 	UndoTransaction& operator= (const UndoTransaction&);
+	~UndoTransaction ();
 
 	void clear ();
 	bool empty() const;
@@ -67,9 +67,6 @@ class UndoTransaction : public Command, public PBD::ScopedConnectionList
 
 	friend void command_death (UndoTransaction*, Command *);
 	
-	friend class UndoHistory;
-
-	~UndoTransaction ();
 	void about_to_explicitly_delete ();
 };
 
@@ -106,7 +103,9 @@ class UndoHistory : public PBD::ScopedConnectionList
 
 	void set_depth (uint32_t);
 
-	boost::signals2::signal<void()> Changed;
+	PBD::Signal0<void> Changed;
+	PBD::Signal0<void> BeginUndoRedo;
+	PBD::Signal0<void> EndUndoRedo;
 	
   private:
 	bool _clearing;