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Kate

kateedit.h

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00001 /* This file is part of the KDE libraries
00002    Copyright (C) 2005 Hamish Rodda <rodda@kde.org>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License version 2 as published by the Free Software Foundation.
00007 
00008    This library is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011    Library General Public License for more details.
00012 
00013    You should have received a copy of the GNU Library General Public License
00014    along with this library; see the file COPYING.LIB.  If not, write to
00015    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016    Boston, MA 02110-1301, USA.
00017 */
00018 
00019 #ifndef KATEEDIT_H
00020 #define KATEEDIT_H
00021 
00022 #include <QtCore/QStringList>
00023 #include <QtCore/QObject>
00024 #include <QtCore/QMap>
00025 #include <QtCore/QMutex>
00026 
00027 #include <ktexteditor/range.h>
00028 
00029 #include "katenamespace.h"
00030 
00031 class KateDocument;
00032 
00038 class KateEditInfo
00039 {
00040   public:
00041     KateEditInfo(Kate::EditSource source, const KTextEditor::Range& oldRange, const QStringList& oldText, const KTextEditor::Range& newRange, const QStringList& newText);
00042     virtual ~KateEditInfo();
00043 
00045     bool isRemoval() const;
00046 
00051     Kate::EditSource editSource() const;
00052 
00058     const KTextEditor::Cursor& start() const { return m_oldRange.start(); }
00059 
00063     const KTextEditor::Range& oldRange() const;
00064 
00069     virtual QStringList oldText(const KTextEditor::Range& range) const;
00070 
00075     const QStringList& oldText() const;
00076 
00080     const KTextEditor::Range& newRange() const;
00081 
00086     virtual QStringList newText(const KTextEditor::Range& range) const;
00087 
00093     const QStringList& newText() const;
00094 
00095     inline const KTextEditor::Cursor& translate() const { return m_translate; }
00096 
00097     void referenceRevision();
00098     void dereferenceRevision();
00099     bool isReferenced() const;
00100 
00101   private:
00102     Kate::EditSource m_editSource;
00103     KTextEditor::Range m_oldRange;
00104     QStringList m_oldText;
00105     KTextEditor::Range m_newRange;
00106     QStringList m_newText;
00107     KTextEditor::Cursor m_translate;
00108     int m_revisionTokenCounter;
00109 };
00110 
00116 class KateEditHistory : public QObject
00117 {
00118   Q_OBJECT
00119 
00120   public:
00121     explicit KateEditHistory(KateDocument* doc);
00122     virtual ~KateEditHistory();
00123 
00124     int revision();
00125     void releaseRevision(int revision);
00126 
00127     QList<KateEditInfo*> editsBetweenRevisions(int from, int to = -1) const;
00128 
00129     void doEdit(KateEditInfo* edit);
00130 
00131   Q_SIGNALS:
00132     void editDone(KateEditInfo* edit);
00133 
00134   private:
00135     QList<KateEditInfo*> m_edits;
00136     mutable QMutex m_mutex; 
00137 
00138     QMap<int, KateEditInfo*> m_revisions;
00139     int m_revision;
00140 };
00141 
00142 #endif

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