From fedf3d34f32264ac57c6a222b678dc90f2bb1a88 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 21 Oct 2006 19:01:50 +0000
Subject: Merged with trunk R992. Completely untested other than it compiles,
 runs, and records somewhat (need to merge again).

git-svn-id: svn://localhost/ardour2/branches/midi@999 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/pbd/pbd/undo.h | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'libs/pbd/pbd/undo.h')

diff --git a/libs/pbd/pbd/undo.h b/libs/pbd/pbd/undo.h
index eecd8ae49d..943c115af2 100644
--- a/libs/pbd/pbd/undo.h
+++ b/libs/pbd/pbd/undo.h
@@ -40,8 +40,11 @@ class UndoTransaction : public Command
 	~UndoTransaction ();
 
 	void clear ();
+	bool empty() const;
+	bool clearing () const { return _clearing; }
 
 	void add_command (Command* const);
+	void remove_command (Command* const);
 
         void operator() ();
 	void undo();
@@ -66,8 +69,7 @@ class UndoTransaction : public Command
 	std::list<Command*>    actions;
 	struct timeval        _timestamp;
 	std::string           _name;
-	bool                   clearing;
-	void remove_command (Command* const);
+	bool                  _clearing;
 };
 
 class UndoHistory
@@ -94,7 +96,7 @@ class UndoHistory
         void save_state();
 
   private:
-	bool clearing;
+	bool _clearing;
 	std::list<UndoTransaction*> UndoList;
 	std::list<UndoTransaction*> RedoList;
 
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