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111 lines
3.4 KiB
111 lines
3.4 KiB
15 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QUNDOGROUP_H
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#define QUNDOGROUP_H
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#include <QtCore/qobject.h>
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#include <QtCore/qstring.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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class QUndoGroupPrivate;
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class QUndoStack;
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class QAction;
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QT_MODULE(Gui)
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#ifndef QT_NO_UNDOGROUP
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class Q_GUI_EXPORT QUndoGroup : public QObject
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{
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Q_OBJECT
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Q_DECLARE_PRIVATE(QUndoGroup)
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public:
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explicit QUndoGroup(QObject *parent = 0);
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~QUndoGroup();
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void addStack(QUndoStack *stack);
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void removeStack(QUndoStack *stack);
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QList<QUndoStack*> stacks() const;
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QUndoStack *activeStack() const;
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#ifndef QT_NO_ACTION
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QAction *createUndoAction(QObject *parent,
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const QString &prefix = QString()) const;
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QAction *createRedoAction(QObject *parent,
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const QString &prefix = QString()) const;
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#endif // QT_NO_ACTION
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bool canUndo() const;
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bool canRedo() const;
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QString undoText() const;
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QString redoText() const;
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bool isClean() const;
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public Q_SLOTS:
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void undo();
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void redo();
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void setActiveStack(QUndoStack *stack);
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Q_SIGNALS:
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void activeStackChanged(QUndoStack *stack);
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void indexChanged(int idx);
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void cleanChanged(bool clean);
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void canUndoChanged(bool canUndo);
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void canRedoChanged(bool canRedo);
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void undoTextChanged(const QString &undoText);
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void redoTextChanged(const QString &redoText);
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private:
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Q_DISABLE_COPY(QUndoGroup)
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};
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#endif // QT_NO_UNDOGROUP
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QUNDOGROUP_H
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