remove empty sigc++2 directory

git-svn-id: svn://localhost/ardour2/branches/3.0@3432 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 0 insertions, 108 deletions

diff --git a/libs/pbd/pbd/undo.h b/libs/pbd/pbd/undo.h
deleted file mode 100644
index 8f1716d09f..0000000000
--- a/libs/pbd/pbd/undo.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/* 
-    Copyright (C) 2002 Brett Viren & 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
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-#ifndef __lib_pbd_undo_h__
-#define __lib_pbd_undo_h__
-
-#include <string>
-#include <list>
-#include <map>
-#include <sigc++/slot.h>
-#include <sigc++/bind.h>
-#include <sys/time.h>
-#include <pbd/command.h>
-
-typedef sigc::slot<void> UndoAction;
-
-class UndoTransaction : public Command
-{
-  public:
-	UndoTransaction ();
-	UndoTransaction (const UndoTransaction&);
-	UndoTransaction& operator= (const UndoTransaction&);
-	~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();
-	void redo();
-
-	XMLNode &get_state();
-
-	void set_timestamp (struct timeval &t) {
-		_timestamp = t;
-	}
-
-	const struct timeval& timestamp() const {
-		return _timestamp;
-	}
-
-  private:
-	std::list<Command*>    actions;
-	struct timeval        _timestamp;
-	bool                  _clearing;
-
-	friend void command_death (UndoTransaction*, Command *);
-};
-
-class UndoHistory : public sigc::trackable
-{
-  public:
-	UndoHistory();
-	~UndoHistory() {}
-	
-	void add (UndoTransaction* ut);
-	void undo (unsigned int n);
-	void redo (unsigned int n);
-	
-	unsigned long undo_depth() const { return UndoList.size(); }
-	unsigned long redo_depth() const { return RedoList.size(); }
-	
-	std::string next_undo() const { return (UndoList.empty() ? std::string() : UndoList.back()->name()); }
-	std::string next_redo() const { return (RedoList.empty() ? std::string() : RedoList.back()->name()); }
-
-	void clear ();
-	void clear_undo ();
-	void clear_redo ();
-
-        XMLNode &get_state(int32_t depth = 0);
-        void save_state();
-
-	void set_depth (int32_t);
-	int32_t get_depth() const { return _depth; }
-
-	sigc::signal<void> Changed;
-	
-  private:
-	bool _clearing;
-	int32_t _depth;
-	std::list<UndoTransaction*> UndoList;
-	std::list<UndoTransaction*> RedoList;
-
-	void remove (UndoTransaction*);
-};
-
-
-#endif /* __lib_pbd_undo_h__ */