blob: 73146107e3416a0a6050ba0ba386fe7808d2c468 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/* This file is part of the KDE libraries
Copyright (C) 2001 Christoph Cullmann <cullmann@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef __ktexteditor_undointerface_h__
#define __ktexteditor_undointerface_h__
#include <kdelibs_export.h>
class QCString;
namespace KTextEditor
{
/**
* This is an interface to undo functionality of a Document.
*/
class KTEXTEDITOR_EXPORT UndoInterface
{
friend class PrivateUndoInterface;
public:
UndoInterface ();
virtual ~UndoInterface ();
unsigned int undoInterfaceNumber () const;
protected:
void setUndoInterfaceDCOPSuffix (const QCString &suffix);
//
// slots !!!
//
public:
virtual void undo () = 0;
virtual void redo () = 0;
virtual void clearUndo () = 0;
virtual void clearRedo () = 0;
virtual unsigned int undoCount () const = 0;
virtual unsigned int redoCount () const = 0;
/**
returns the maximum of undo steps possible, 0 means no limit !
*/
virtual unsigned int undoSteps () const = 0;
virtual void setUndoSteps ( unsigned int steps ) = 0;
//
// signals !!!
//
public:
virtual void undoChanged () = 0;
private:
class PrivateUndoInterface *d;
static unsigned int globalUndoInterfaceNumber;
unsigned int myUndoInterfaceNumber;
};
KTEXTEDITOR_EXPORT UndoInterface *undoInterface (class Document *doc);
}
#endif
|
