geom/src/DependencyTree/DependencyTree_Arrow.h
2016-03-15 15:27:04 +03:00

77 lines
2.3 KiB
C++

// Copyright (C) 2014-2016 CEA/DEN, EDF R&D, OPEN CASCADE
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
#ifndef DEPENDENCYTREE_ARROW_H
#define DEPENDENCYTREE_ARROW_H
#include <QGraphicsLineItem>
#include "DependencyTree.h"
class DependencyTree_Object;
class DEPENDENCYTREE_EXPORT DependencyTree_Arrow : public QGraphicsLineItem
{
public:
DependencyTree_Arrow( DependencyTree_Object* startItem, DependencyTree_Object* endItem,
QGraphicsItem* parent = 0, QGraphicsScene* scene = 0 );
~DependencyTree_Arrow();
virtual QRectF boundingRect() const;
virtual QPainterPath shape() const;
void setColor(const QColor& );
void setHighlightColor(const QColor& );
void setSelectColor(const QColor& );
DependencyTree_Object* getStartItem() const;
DependencyTree_Object* getEndItem() const;
void setIsBiLink( bool );
protected:
void paint( QPainter*, const QStyleOptionGraphicsItem*, QWidget* = 0 );
private:
QPolygonF createArrowHead( QPointF , QPointF, bool = true );
DependencyTree_Object* myStartItem;
DependencyTree_Object* myEndItem;
QColor myColor;
QColor mySelectColor;
QColor myHighlightColor;
QPolygonF myArrowHead;
QPolygonF myReverseArrowHead;
bool myIsBiLink;
QRectF mySelfDependencyArrow;
QLineF myLine;
};
#endif