1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the demonstration applications of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef COMMANDS_H

    43 #define COMMANDS_H

    44 

    45 #include <QUndoCommand>

    46 #include "document.h"

    47 

    48 class AddShapeCommand : public QUndoCommand

    49 {

    50 public:

    51     AddShapeCommand(Document *doc, const Shape &shape, QUndoCommand *parent = 0);

    52     void undo();

    53     void redo();

    54 

    55 private:

    56     Document *m_doc;

    57     Shape m_shape;

    58     QString m_shapeName;

    59 };

    60 

    61 class RemoveShapeCommand : public QUndoCommand

    62 {

    63 public:

    64     RemoveShapeCommand(Document *doc, const QString &shapeName, QUndoCommand *parent = 0);

    65     void undo();

    66     void redo();

    67 

    68 private:

    69     Document *m_doc;

    70     Shape m_shape;

    71     QString m_shapeName;

    72 };

    73 

    74 class SetShapeColorCommand : public QUndoCommand

    75 {

    76 public:

    77     SetShapeColorCommand(Document *doc, const QString &shapeName, const QColor &color,

    78                             QUndoCommand *parent = 0);

    79 

    80     void undo();

    81     void redo();

    82 

    83     bool mergeWith(const QUndoCommand *command);

    84     int id() const;

    85 

    86 private:

    87     Document *m_doc;

    88     QString m_shapeName;

    89     QColor m_oldColor;

    90     QColor m_newColor;

    91 };

    92 

    93 class SetShapeRectCommand : public QUndoCommand

    94 {

    95 public:

    96     SetShapeRectCommand(Document *doc, const QString &shapeName, const QRect &rect,

    97                             QUndoCommand *parent = 0);

    98 

    99     void undo();

   100     void redo();

   101 

   102     bool mergeWith(const QUndoCommand *command);

   103     int id() const;

   104 

   105 private:

   106     Document *m_doc;

   107     QString m_shapeName;

   108     QRect m_oldRect;

   109     QRect m_newRect;

   110 };

   111 

   112 #endif // COMMANDS_H