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+/****************************************************************************
+**
+** Copyright (C) 2010 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QUNDOGROUP_H
+#define QUNDOGROUP_H
+
+#include <QtCore/qobject.h>
+#include <QtCore/qstring.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+class QUndoGroupPrivate;
+class QUndoStack;
+class QAction;
+
+QT_MODULE(Gui)
+
+#ifndef QT_NO_UNDOGROUP
+
+class Q_GUI_EXPORT QUndoGroup : public QObject
+{
+ Q_OBJECT
+ Q_DECLARE_PRIVATE(QUndoGroup)
+
+public:
+ explicit QUndoGroup(QObject *parent = 0);
+ ~QUndoGroup();
+
+ void addStack(QUndoStack *stack);
+ void removeStack(QUndoStack *stack);
+ QList<QUndoStack*> stacks() const;
+ QUndoStack *activeStack() 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 canUndo() const;
+ bool canRedo() const;
+ QString undoText() const;
+ QString redoText() const;
+ bool isClean() const;
+
+public Q_SLOTS:
+ void undo();
+ void redo();
+ void setActiveStack(QUndoStack *stack);
+
+Q_SIGNALS:
+ void activeStackChanged(QUndoStack *stack);
+ 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(QUndoGroup)
+};
+
+#endif // QT_NO_UNDOGROUP
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QUNDOGROUP_H