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Diffstat (limited to 'demos/undo/commands.h')
-rw-r--r-- | demos/undo/commands.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/demos/undo/commands.h b/demos/undo/commands.h new file mode 100644 index 0000000..f98cb6d --- /dev/null +++ b/demos/undo/commands.h @@ -0,0 +1,112 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the demonstration applications 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 COMMANDS_H +#define COMMANDS_H + +#include <QUndoCommand> +#include "document.h" + +class AddShapeCommand : public QUndoCommand +{ +public: + AddShapeCommand(Document *doc, const Shape &shape, QUndoCommand *parent = 0); + void undo(); + void redo(); + +private: + Document *m_doc; + Shape m_shape; + QString m_shapeName; +}; + +class RemoveShapeCommand : public QUndoCommand +{ +public: + RemoveShapeCommand(Document *doc, const QString &shapeName, QUndoCommand *parent = 0); + void undo(); + void redo(); + +private: + Document *m_doc; + Shape m_shape; + QString m_shapeName; +}; + +class SetShapeColorCommand : public QUndoCommand +{ +public: + SetShapeColorCommand(Document *doc, const QString &shapeName, const QColor &color, + QUndoCommand *parent = 0); + + void undo(); + void redo(); + + bool mergeWith(const QUndoCommand *command); + int id() const; + +private: + Document *m_doc; + QString m_shapeName; + QColor m_oldColor; + QColor m_newColor; +}; + +class SetShapeRectCommand : public QUndoCommand +{ +public: + SetShapeRectCommand(Document *doc, const QString &shapeName, const QRect &rect, + QUndoCommand *parent = 0); + + void undo(); + void redo(); + + bool mergeWith(const QUndoCommand *command); + int id() const; + +private: + Document *m_doc; + QString m_shapeName; + QRect m_oldRect; + QRect m_newRect; +}; + +#endif // COMMANDS_H |