1 files changed, 103 insertions, 0 deletions
diff --git a/muse_qt4_evolution/muse/undo.h b/muse_qt4_evolution/muse/undo.h
new file mode 100644
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+++ b/muse_qt4_evolution/muse/undo.h
@@ -0,0 +1,103 @@
+//=============================================================================
+//  MusE
+//  Linux Music Editor
+//  $Id:$
+//
+//  Copyright (C) 2002-2006 by Werner Schweer and others
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License version 2.
+//
+//  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 __UNDO_H__
+#define __UNDO_H__
+
+#include "event.h"
+#include "ctrl.h"
+
+class Track;
+class TEvent;
+class SigEvent;
+class Part;
+
+extern std::list<QString> temporaryWavFiles; //!< Used for storing all tmp-files, for cleanup on shutdown
+
+//---------------------------------------------------------
+//   UndoOp
+//---------------------------------------------------------
+
+struct UndoOp {
+      enum UndoType {
+            AddTrack, DeleteTrack, RenameTrack,
+            AddPart,  DeletePart,  ModifyPart,
+            AddEvent, DeleteEvent, ModifyEvent,
+            AddTempo, DeleteTempo,
+            AddSig,   DeleteSig,
+            SwapTrack,
+            ModifyClip,
+            AddCtrl, RemoveCtrl, ModifyCtrl
+            };
+      UndoType type;
+
+      union {
+            struct {
+                  int a;
+                  int b;
+                  int c;
+                  };
+            struct {
+                  Part* oPart;
+                  Part* nPart;
+                  };
+            struct {
+                  Part* part;
+                  };
+            struct {
+                  SigEvent* nSignature;
+                  SigEvent* oSignature;
+                  };
+            struct {
+                  int startframe; //!< Start frame of changed data
+                  int endframe;   //!< End frame of changed data
+                  const char* filename; //!< The file that is changed
+                  const char* tmpwavfile; //!< The file with the changed data
+                  };
+            struct {
+                  Track* track;
+                  int id;
+                  unsigned time;
+                  CVal cval1, cval2;
+                  QString* os;
+                  QString* ns;
+                  };
+            };
+      Event oEvent;
+      Event nEvent;
+      const char* typeName();
+      void dump();
+      };
+
+class Undo : public std::list<UndoOp> {
+      void undoOp(UndoOp::UndoType, int data);
+      };
+
+typedef Undo::iterator iUndoOp;
+typedef Undo::reverse_iterator riUndoOp;
+
+class UndoList : public std::list<Undo> {
+   public:
+      };
+
+typedef UndoList::iterator iUndo;
+
+
+#endif // __UNDO_H__