- Main Page
- Related Pages
- Modules
- Namespaces
- Classes
- Files
- Directories
- Examples

- File List
- File Members

# qundogroup.h

Go to the documentation of this file.

    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtGui module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QUNDOGROUP_H
    00043 #define QUNDOGROUP_H
    00044
    00045 #include <QtCore/qobject.h>
    00046 #include <QtCore/qstring.h>
    00047
    00048 QT_BEGIN_HEADER
    00049
    00050 QT_BEGIN_NAMESPACE
    00051
    00052 class QUndoGroupPrivate;
    00053 class QUndoStack;
    00054 class QAction;
    00055
    00056 QT_MODULE(Gui)
    00057
    00058 #ifndef QT_NO_UNDOGROUP
    00059
    00060 class Q_GUI_EXPORT QUndoGroup : public QObject
    00061 {
    00062     Q_OBJECT
    00063     Q_DECLARE_PRIVATE(QUndoGroup)
    00064
    00065 public:
    00066     explicit QUndoGroup(QObject *parent = 0);
    00067     ~QUndoGroup();
    00068
    00069     void addStack(QUndoStack *stack);
    00070     void removeStack(QUndoStack *stack);
    00071     QList<QUndoStack*> stacks() const;
    00072     QUndoStack *activeStack() const;
    00073
    00074 #ifndef QT_NO_ACTION
    00075     QAction *createUndoAction(QObject *parent,
    00076                                 const QString &prefix = QString()) const;
    00077     QAction *createRedoAction(QObject *parent,
    00078                                 const QString &prefix = QString()) const;
    00079 #endif // QT_NO_ACTION
    00080     bool canUndo() const;
    00081     bool canRedo() const;
    00082     QString undoText() const;
    00083     QString redoText() const;
    00084     bool isClean() const;
    00085
    00086 public Q_SLOTS:
    00087     void undo();
    00088     void redo();
    00089     void setActiveStack(QUndoStack *stack);
    00090
    00091 Q_SIGNALS:
    00092     void activeStackChanged(QUndoStack *stack);
    00093     void indexChanged(int idx);
    00094     void cleanChanged(bool clean);
    00095     void canUndoChanged(bool canUndo);
    00096     void canRedoChanged(bool canRedo);
    00097     void undoTextChanged(const QString &undoText);
    00098     void redoTextChanged(const QString &redoText);
    00099
    00100 private:
    00101     Q_DISABLE_COPY(QUndoGroup)
    00102 };
    00103
    00104 #endif // QT_NO_UNDOGROUP
    00105
    00106 QT_END_NAMESPACE
    00107
    00108 QT_END_HEADER
    00109
    00110 #endif // QUNDOGROUP_H