You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
85 lines
2.0 KiB
85 lines
2.0 KiB
/* 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
|