48e0c4df23
Change-Id: Ic804938fc352291d011800d21e549c10acac66fb Reviewed-by: Lars Knoll <lars.knoll@digia.com>
87 lines
2.9 KiB
C++
87 lines
2.9 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
|
|
** Contact: http://www.qt-project.org/legal
|
|
**
|
|
** This file is part of the examples of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:BSD$
|
|
** 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 Digia Plc and its Subsidiary(-ies) 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 ARROW_H
|
|
#define ARROW_H
|
|
|
|
#include <QGraphicsLineItem>
|
|
|
|
#include "diagramitem.h"
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
class QGraphicsPolygonItem;
|
|
class QGraphicsLineItem;
|
|
class QGraphicsScene;
|
|
class QRectF;
|
|
class QGraphicsSceneMouseEvent;
|
|
class QPainterPath;
|
|
QT_END_NAMESPACE
|
|
|
|
//! [0]
|
|
class Arrow : public QGraphicsLineItem
|
|
{
|
|
public:
|
|
enum { Type = UserType + 4 };
|
|
|
|
Arrow(DiagramItem *startItem, DiagramItem *endItem,
|
|
QGraphicsItem *parent = 0);
|
|
|
|
int type() const { return Type; }
|
|
QRectF boundingRect() const;
|
|
QPainterPath shape() const;
|
|
void setColor(const QColor &color) { myColor = color; }
|
|
DiagramItem *startItem() const { return myStartItem; }
|
|
DiagramItem *endItem() const { return myEndItem; }
|
|
|
|
void updatePosition();
|
|
|
|
protected:
|
|
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
|
|
|
|
private:
|
|
DiagramItem *myStartItem;
|
|
DiagramItem *myEndItem;
|
|
QColor myColor;
|
|
QPolygonF arrowHead;
|
|
};
|
|
//! [0]
|
|
|
|
#endif // ARROW_H
|