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73 lines
1.7 KiB
73 lines
1.7 KiB
15 years ago
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/*
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This file is part of KMail
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Copyright (C) 1999 Waldo Bastian (bastian@kde.org)
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Copyright (c) 2003 Zack Rusin <zack@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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version 2 as published by the Free Software Foundation.
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This software is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this library; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef UNDOSTACK_H
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#define UNDOSTACK_H
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#include <qptrlist.h>
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#include <qstring.h>
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#include <qobject.h>
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class KMFolder;
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class KMMsgBase;
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namespace KMail {
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/** A class for storing Undo information. */
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class UndoInfo
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{
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public:
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int id;
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QValueList<ulong> serNums;
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KMFolder *srcFolder;
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KMFolder *destFolder;
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};
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class UndoStack : public QObject
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{
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Q_OBJECT
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public:
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UndoStack(int size);
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void clear();
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int size() const { return mStack.count(); }
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int newUndoAction( KMFolder* srcFolder, KMFolder* destFolder );
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void addMsgToAction( int undoId, ulong serNum );
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void undo();
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void pushSingleAction(ulong serNum, KMFolder *folder, KMFolder* destFolder);
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void msgDestroyed( KMMsgBase *msg);
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void folderDestroyed( KMFolder *folder);
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protected:
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QPtrList<UndoInfo> mStack;
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int mSize;
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int mLastId;
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UndoInfo *mCachedInfo;
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signals:
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void undoStackChanged();
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};
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}
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#endif
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