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//=========================================================
// MusE
// Linux Music Editor
// $Id: undo.h,v 1.6.2.5 2009/05/24 21:43:44 terminator356 Exp $
//
// (C) Copyright 1999/2000 Werner Schweer (ws@seh.de)
//=========================================================
#ifndef __UNDO_H__
#define __UNDO_H__
#include <list>
#include <qstring.h>
#include "event.h"
#include "marker/marker.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, ModifyTrack,
AddPart, DeletePart, ModifyPart,
AddEvent, DeleteEvent, ModifyEvent,
AddTempo, DeleteTempo,
AddSig, DeleteSig,
SwapTrack,
ModifyClip,
ModifyMarker
};
UndoType type;
union {
struct {
int a;
int b;
int c;
};
struct {
Track* oTrack;
Track* nTrack;
int trackno;
};
struct {
Part* oPart;
Part* nPart;
};
struct {
Part* part;
};
struct {
SigEvent* nSignature;
SigEvent* oSignature;
};
struct {
int channel;
int ctrl;
int oVal;
int nVal;
};
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 {
Marker* realMarker;
Marker* copyMarker;
};
};
Event oEvent;
Event nEvent;
bool doCtrls;
bool doClones;
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:
void clearDelete();
};
typedef UndoList::iterator iUndo;
#endif // __UNDO_H__
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