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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QUNDOGROUP_H
#define QUNDOGROUP_H
#include <QtGui/qtguiglobal.h>
#include <QtCore/qobject.h>
#include <QtCore/qstring.h>
QT_REQUIRE_CONFIG(undogroup);
QT_BEGIN_NAMESPACE
class QUndoGroupPrivate;
class QUndoStack;
class QAction;
class Q_GUI_EXPORT QUndoGroup : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QUndoGroup)
public:
explicit QUndoGroup(QObject *parent = nullptr);
~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)
};
QT_END_NAMESPACE
#endif // QUNDOGROUP_H
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