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Diffstat (limited to 'src/gui/util/qundogroup.h')
-rw-r--r-- | src/gui/util/qundogroup.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/gui/util/qundogroup.h b/src/gui/util/qundogroup.h new file mode 100644 index 0000000..b2adb84 --- /dev/null +++ b/src/gui/util/qundogroup.h @@ -0,0 +1,110 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtGui module 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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 are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@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 |