/usr/include/qt4/QtGui/qundostack.h is in libqt4-dev 4:4.8.1-0ubuntu4.9.
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**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QUNDOSTACK_H
#define QUNDOSTACK_H
#include <QtCore/qobject.h>
#include <QtCore/qstring.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class QAction;
class QUndoCommandPrivate;
class QUndoStackPrivate;
#ifndef QT_NO_UNDOCOMMAND
class Q_GUI_EXPORT QUndoCommand
{
QUndoCommandPrivate *d;
public:
explicit QUndoCommand(QUndoCommand *parent = 0);
explicit QUndoCommand(const QString &text, QUndoCommand *parent = 0);
virtual ~QUndoCommand();
virtual void undo();
virtual void redo();
QString text() const;
QString actionText() const;
void setText(const QString &text);
virtual int id() const;
virtual bool mergeWith(const QUndoCommand *other);
int childCount() const;
const QUndoCommand *child(int index) const;
private:
Q_DISABLE_COPY(QUndoCommand)
friend class QUndoStack;
};
#endif // QT_NO_UNDOCOMMAND
#ifndef QT_NO_UNDOSTACK
class Q_GUI_EXPORT QUndoStack : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QUndoStack)
Q_PROPERTY(bool active READ isActive WRITE setActive)
Q_PROPERTY(int undoLimit READ undoLimit WRITE setUndoLimit)
public:
explicit QUndoStack(QObject *parent = 0);
~QUndoStack();
void clear();
void push(QUndoCommand *cmd);
bool canUndo() const;
bool canRedo() const;
QString undoText() const;
QString redoText() const;
int count() const;
int index() const;
QString text(int idx) const;
#ifndef QT_NO_ACTION
QAction *createUndoAction(QObject *parent,
const QString &prefix = QString()) const;
QAction *createRedoAction(QObject *parent,
const QString &prefix = QString()) const;
#endif // QT_NO_ACTION
bool isActive() const;
bool isClean() const;
int cleanIndex() const;
void beginMacro(const QString &text);
void endMacro();
void setUndoLimit(int limit);
int undoLimit() const;
const QUndoCommand *command(int index) const;
public Q_SLOTS:
void setClean();
void setIndex(int idx);
void undo();
void redo();
void setActive(bool active = true);
Q_SIGNALS:
void indexChanged(int idx);
void cleanChanged(bool clean);
void canUndoChanged(bool canUndo);
void canRedoChanged(bool canRedo);
void undoTextChanged(const QString &undoText);
void redoTextChanged(const QString &redoText);
private:
Q_DISABLE_COPY(QUndoStack)
friend class QUndoGroup;
};
#endif // QT_NO_UNDOSTACK
QT_END_NAMESPACE
QT_END_HEADER
#endif // QUNDOSTACK_H
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