124 lines
4.0 KiB
C++
124 lines
4.0 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the demonstration applications of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:BSD$
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and The Qt Company. For licensing terms
|
|
** and conditions see https://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at https://www.qt.io/contact-us.
|
|
**
|
|
** BSD License Usage
|
|
** Alternatively, you may use this file under the terms of the BSD license
|
|
** as follows:
|
|
**
|
|
** "Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions are
|
|
** met:
|
|
** * Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** * Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in
|
|
** the documentation and/or other materials provided with the
|
|
** distribution.
|
|
** * Neither the name of The Qt Company Ltd nor the names of its
|
|
** contributors may be used to endorse or promote products derived
|
|
** from this software without specific prior written permission.
|
|
**
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#ifndef COMMANDS_H
|
|
#define COMMANDS_H
|
|
|
|
#include <QUndoCommand>
|
|
#include "document.h"
|
|
|
|
class AddShapeCommand : public QUndoCommand
|
|
{
|
|
public:
|
|
AddShapeCommand(Document *doc, const Shape &shape,
|
|
QUndoCommand *parent = nullptr);
|
|
void undo() override;
|
|
void redo() override;
|
|
|
|
private:
|
|
Document *m_doc;
|
|
Shape m_shape;
|
|
QString m_shapeName;
|
|
};
|
|
|
|
class RemoveShapeCommand : public QUndoCommand
|
|
{
|
|
public:
|
|
RemoveShapeCommand(Document *doc, const QString &shapeName,
|
|
QUndoCommand *parent = nullptr);
|
|
void undo() override;
|
|
void redo() override;
|
|
|
|
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 = nullptr);
|
|
|
|
void undo() override;
|
|
void redo() override;
|
|
|
|
bool mergeWith(const QUndoCommand *command) override;
|
|
int id() const override;
|
|
|
|
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 = nullptr);
|
|
|
|
void undo() override;
|
|
void redo() override;
|
|
|
|
bool mergeWith(const QUndoCommand *command) override;
|
|
int id() const override;
|
|
|
|
private:
|
|
Document *m_doc;
|
|
QString m_shapeName;
|
|
QRect m_oldRect;
|
|
QRect m_newRect;
|
|
};
|
|
|
|
#endif // COMMANDS_H
|