cd46a2daf5
Update files using old header.LGPL3 to header.LGPL Update files using old FDL template to use new one Update files using old BSD template to use new one Change-Id: I36a78272516f9953d02956522f285b40adfc8915 Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
115 lines
3.7 KiB
C++
115 lines
3.7 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2016 The Qt Company Ltd.
|
|
** Contact: https://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the examples 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 "diagramitem.h"
|
|
|
|
//! [0]
|
|
class MoveCommand : public QUndoCommand
|
|
{
|
|
public:
|
|
enum { Id = 1234 };
|
|
|
|
MoveCommand(DiagramItem *diagramItem, const QPointF &oldPos,
|
|
QUndoCommand *parent = 0);
|
|
|
|
void undo() Q_DECL_OVERRIDE;
|
|
void redo() Q_DECL_OVERRIDE;
|
|
bool mergeWith(const QUndoCommand *command) Q_DECL_OVERRIDE;
|
|
int id() const Q_DECL_OVERRIDE { return Id; }
|
|
|
|
private:
|
|
DiagramItem *myDiagramItem;
|
|
QPointF myOldPos;
|
|
QPointF newPos;
|
|
};
|
|
//! [0]
|
|
|
|
//! [1]
|
|
class DeleteCommand : public QUndoCommand
|
|
{
|
|
public:
|
|
explicit DeleteCommand(QGraphicsScene *graphicsScene, QUndoCommand *parent = 0);
|
|
|
|
void undo() Q_DECL_OVERRIDE;
|
|
void redo() Q_DECL_OVERRIDE;
|
|
|
|
private:
|
|
DiagramItem *myDiagramItem;
|
|
QGraphicsScene *myGraphicsScene;
|
|
};
|
|
//! [1]
|
|
|
|
//! [2]
|
|
class AddCommand : public QUndoCommand
|
|
{
|
|
public:
|
|
AddCommand(DiagramItem::DiagramType addType, QGraphicsScene *graphicsScene,
|
|
QUndoCommand *parent = 0);
|
|
~AddCommand();
|
|
|
|
void undo() Q_DECL_OVERRIDE;
|
|
void redo() Q_DECL_OVERRIDE;
|
|
|
|
private:
|
|
DiagramItem *myDiagramItem;
|
|
QGraphicsScene *myGraphicsScene;
|
|
QPointF initialPosition;
|
|
};
|
|
//! [2]
|
|
|
|
QString createCommandString(DiagramItem *item, const QPointF &point);
|
|
|
|
#endif
|