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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qdesignerundostack.h"
#include <QtGui/QUndoStack>
#include <QtGui/QUndoCommand>
QT_BEGIN_NAMESPACE
namespace qdesigner_internal {
QDesignerUndoStack::QDesignerUndoStack(QObject *parent) :
QObject(parent),
m_undoStack(new QUndoStack),
m_fakeDirty(false)
{
connect(m_undoStack, SIGNAL(indexChanged(int)), this, SIGNAL(changed()));
}
QDesignerUndoStack::~QDesignerUndoStack()
{ // QUndoStack is managed by the QUndoGroup
}
void QDesignerUndoStack::push(QUndoCommand * cmd)
{
m_undoStack->push(cmd);
}
void QDesignerUndoStack::beginMacro(const QString &text)
{
m_undoStack->beginMacro(text);
}
void QDesignerUndoStack::endMacro()
{
m_undoStack->endMacro();
}
int QDesignerUndoStack::index() const
{
return m_undoStack->index();
}
const QUndoStack *QDesignerUndoStack::qundoStack() const
{
return m_undoStack;
}
QUndoStack *QDesignerUndoStack::qundoStack()
{
return m_undoStack;
}
bool QDesignerUndoStack::isDirty() const
{
return m_fakeDirty || !m_undoStack->isClean();
}
void QDesignerUndoStack::setDirty(bool v)
{
if (isDirty() == v)
return;
if (v) {
m_fakeDirty = true;
emit changed();
} else {
m_fakeDirty = false;
m_undoStack->setClean();
}
}
} // namespace qdesigner_internal
QT_END_NAMESPACE
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