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QGVEdge.h
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/***************************************************************
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QGVCore
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Copyright (c) 2014, Bergont Nicolas, All rights reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 3.0 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library.
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***************************************************************/
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#ifndef QGVEDGE_H
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#define QGVEDGE_H
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#include <QGraphicsItem>
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#include <QPen>
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#include "
qgv.h
"
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class
QGVNode
;
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class
QGVScene
;
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class
QGVEdgePrivate
;
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class
QGVCORE_EXPORT
QGVEdge
:
public
QGraphicsItem {
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public
:
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~QGVEdge
();
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QString label()
const
;
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QRectF boundingRect()
const
;
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QPainterPath shape()
const
;
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void
setLabel(
const
QString &label);
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void
paint(QPainter *painter,
const
QStyleOptionGraphicsItem *option,
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QWidget *widget = 0);
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void
setAttribute(
const
QString &name,
const
QString &value);
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QString getAttribute(
const
QString &name)
const
;
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void
updateLayout();
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enum
{ Type = UserType + 3 };
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int
type
()
const
{
return
Type; }
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private
:
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QGVEdge
(
QGVEdgePrivate
*edge,
QGVScene
*scene);
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QPolygonF toArrow(
const
QLineF &normal)
const
;
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friend
class
QGVScene
;
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// friend class QGVSubGraph;
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QGVScene
*_scene;
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QGVEdgePrivate
*_edge;
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QPainterPath _path;
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QPen _pen;
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QPolygonF _head_arrow;
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QPolygonF _tail_arrow;
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QString _label;
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QRectF _label_rect;
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};
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#endif
// QGVEDGE_H
QGVEdgePrivate
Definition
QGVEdgePrivate.h:6
QGVEdge
Edge item.
Definition
QGVEdge.h:34
QGVEdge::type
int type() const
Definition
QGVEdge.h:53
QGVNode
Node item.
Definition
QGVNode.h:34
QGVScene
GraphViz interactive scene.
Definition
QGVScene.h:36
qgv.h
QGVCORE_EXPORT
#define QGVCORE_EXPORT
Definition
qgv.h:9
QGVCore
QGVEdge.h
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