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//=============================================================================
// 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__
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