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kateundo.h
1 /* This file is part of the KDE libraries
2  Copyright (C) 2002 John Firebaugh <jfirebaugh@kde.org>
3  Copyright (C) 2001 Christoph Cullmann <cullmann@kde.org>
4  Copyright (C) 2001 Joseph Wenninger <jowenn@kde.org>
5 
6  This library is free software; you can redistribute it and/or
7  modify it under the terms of the GNU Library General Public
8  License version 2 as published by the Free Software Foundation.
9 
10  This library is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  Library General Public License for more details.
14 
15  You should have received a copy of the GNU Library General Public License
16  along with this library; see the file COPYING.LIB. If not, write to
17  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18  Boston, MA 02110-1301, USA.
19 */
20 
21 #ifndef kate_undo_h
22 #define kate_undo_h
23 
24 #include <tqptrlist.h>
25 #include <tqstring.h>
26 
27 class KateDocument;
28 class KateUndo;
29 
33 class KateUndoGroup
34 {
35  public:
40  KateUndoGroup (KateDocument *doc);
41 
45  ~KateUndoGroup ();
46 
47  public:
51  void undo ();
52 
56  void redo ();
57 
58  public:
62  enum UndoType
63  {
64  editInsertText,
65  editRemoveText,
66  editWrapLine,
67  editUnWrapLine,
68  editInsertLine,
69  editRemoveLine,
70  editMarkLineAutoWrapped,
71  editInvalid
72  };
73 
82  void addItem (KateUndoGroup::UndoType type, uint line, uint col, uint len, const TQString &text);
83 
90  bool merge(KateUndoGroup* newGroup,bool complex);
91 
95  void safePoint (bool safePoint=true);
96 
100  bool isEmpty () const { return m_items.isEmpty(); }
101 
102  private:
107  KateUndoGroup::UndoType singleType();
108 
114  bool isOnlyType(KateUndoGroup::UndoType type);
115 
120  void addItem (KateUndo *u);
121 
122  private:
126  KateDocument *m_doc;
127 
131  TQPtrList<KateUndo> m_items;
132 
136  bool m_safePoint;
137 };
138 
139 #endif
KateUndoGroup
Class to manage a group of undo items.
Definition: kateundo.h:34
KateUndoGroup::redo
void redo()
Redo the contained undo items.
Definition: kateundo.cpp:309
KateUndoGroup::~KateUndoGroup
~KateUndoGroup()
Destructor.
Definition: kateundo.cpp:282
KateUndoGroup::undo
void undo()
Undo the contained undo items.
Definition: kateundo.cpp:286
KateUndoGroup::addItem
void addItem(KateUndoGroup::UndoType type, uint line, uint col, uint len, const TQString &text)
add an item to the group
Definition: kateundo.cpp:332
KateUndoGroup::KateUndoGroup
KateUndoGroup(KateDocument *doc)
Constructor.
Definition: kateundo.cpp:276
KateUndoGroup::isEmpty
bool isEmpty() const
is this undogroup empty?
Definition: kateundo.h:100
KateUndoGroup::UndoType
UndoType
Types for undo items.
Definition: kateundo.h:63
KateUndoGroup::safePoint
void safePoint(bool safePoint=true)
set group as as savepoint.
Definition: kateundo.cpp:363
KateUndoGroup::merge
bool merge(KateUndoGroup *newGroup, bool complex)
merge this group with an other
Definition: kateundo.cpp:347

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