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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)
//
// 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; 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=========================================================
#ifndef __UNDO_H__
#define __UNDO_H__
#include <list>
#include "event.h"
#include "marker/marker.h"
class QString;
namespace MusECore {
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,
AddPart, DeletePart, ModifyPart,
AddEvent, DeleteEvent, ModifyEvent,
AddTempo, DeleteTempo,
AddSig, DeleteSig,
AddKey, DeleteKey,
ModifyTrackName, ModifyTrackChannel,
SwapTrack,
ModifyClip,
ModifyMarker,
ModifySongLen, // a = new len, b = old len
DoNothing
};
UndoType type;
union {
struct {
int a;
int b;
int c;
};
struct {
Track* track;
int trackno;
};
struct {
Part* oPart;
Part* nPart;
};
struct {
Part* part; // this part is only relevant for EVENT operations, NOT for part ops!
};
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;
};
struct {
Track* _renamedTrack;
char* _oldName;
char* _newName;
};
struct {
Track* _propertyTrack;
int _oldPropValue;
int _newPropValue;
};
};
Event oEvent;
Event nEvent;
bool doCtrls;
bool doClones;
const char* typeName();
void dump();
UndoOp();
UndoOp(UndoType type, int a, int b, int c=0);
UndoOp(UndoType type, int n, Track* track);
UndoOp(UndoType type, Part* part);
UndoOp(UndoType type, Event& oev, Event& nev, Part* part, bool doCtrls, bool doClones);
UndoOp(UndoType type, Event& nev, Part* part, bool doCtrls, bool doClones);
UndoOp(UndoType type, Part* oPart, Part* nPart, bool doCtrls, bool doClones);
UndoOp(UndoType type, int c, int ctrl, int ov, int nv);
UndoOp(UndoType type, const char* changedFile, const char* changeData, int startframe, int endframe);
UndoOp(UndoType type, Marker* copyMarker, Marker* realMarker);
UndoOp(UndoType type, Track* track, const char* old_name, const char* new_name);
UndoOp(UndoType type, Track* track, int old_chan, int new_chan);
UndoOp(UndoType type);
};
class Undo : public std::list<UndoOp> {
public:
bool empty() const;
};
typedef Undo::iterator iUndoOp;
typedef Undo::reverse_iterator riUndoOp;
class UndoList : public std::list<Undo> {
protected:
bool isUndo;
public:
void clearDelete();
UndoList(bool _isUndo) : std::list<Undo>() { isUndo=_isUndo; }
};
typedef UndoList::iterator iUndo;
typedef UndoList::reverse_iterator riUndo;
} // namespace MusECore
#endif // __UNDO_H__
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