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/*
This file is part of KMail
Copyright (C) 1999 Waldo Bastian (bastian@kde.org)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
This software 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 library; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef _KMUNDOSTACK_H_
#define _KMUNDOSTACK_H_
#include <qptrlist.h>
#include <qstring.h>
class KMFolder;
class KMMsgBase;
/** A class for storing Undo information. */
class KMUndoInfo
{
public:
ulong serNum;
KMFolder *folder;
KMFolder *destFolder;
};
class KMUndoStack
{
public:
KMUndoStack(int size);
void clear();
int size() const { return mStack.count(); }
void pushAction(ulong serNum, KMFolder *folder, KMFolder* destFolder);
void msgDestroyed( KMMsgBase *msg);
void folderDestroyed( KMFolder *folder);
bool popAction(ulong &serNum, KMFolder *&folder, KMFolder *&destFolder);
protected:
QPtrList<KMUndoInfo> mStack;
int mSize;
};
#endif