| Line |
Branch |
Exec |
Source |
| 1 |
|
|
/*************************************************************** |
| 2 |
|
|
QGVCore |
| 3 |
|
|
Copyright (c) 2014, Bergont Nicolas, All rights reserved. |
| 4 |
|
|
|
| 5 |
|
|
This library is free software; you can redistribute it and/or |
| 6 |
|
|
modify it under the terms of the GNU Lesser General Public |
| 7 |
|
|
License as published by the Free Software Foundation; either |
| 8 |
|
|
version 3.0 of the License, or (at your option) any later version. |
| 9 |
|
|
|
| 10 |
|
|
This library is distributed in the hope that it will be useful, |
| 11 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 |
|
|
Lesser General Public License for more details. |
| 14 |
|
|
|
| 15 |
|
|
You should have received a copy of the GNU Lesser General Public |
| 16 |
|
|
License along with this library. |
| 17 |
|
|
***************************************************************/ |
| 18 |
|
|
#include <QGVCore.h> |
| 19 |
|
|
#include <QGVEdge.h> |
| 20 |
|
|
#include <QGVEdgePrivate.h> |
| 21 |
|
|
#include <QGVGraphPrivate.h> |
| 22 |
|
|
#include <QGVScene.h> |
| 23 |
|
|
|
| 24 |
|
|
#include <QDebug> |
| 25 |
|
|
#include <QPainter> |
| 26 |
|
|
|
| 27 |
|
✗ |
QGVEdge::QGVEdge(QGVEdgePrivate *edge, QGVScene *scene) |
| 28 |
|
✗ |
: _scene(scene), _edge(edge) { |
| 29 |
|
✗ |
setFlag(QGraphicsItem::ItemIsSelectable, true); |
| 30 |
|
|
} |
| 31 |
|
|
|
| 32 |
|
✗ |
QGVEdge::~QGVEdge() { |
| 33 |
|
✗ |
_scene->removeItem(this); |
| 34 |
|
✗ |
delete _edge; |
| 35 |
|
|
} |
| 36 |
|
|
|
| 37 |
|
✗ |
QString QGVEdge::label() const { return getAttribute("xlabel"); } |
| 38 |
|
|
|
| 39 |
|
✗ |
QRectF QGVEdge::boundingRect() const { |
| 40 |
|
✗ |
return _path.boundingRect() | _head_arrow.boundingRect() | |
| 41 |
|
✗ |
_tail_arrow.boundingRect() | _label_rect; |
| 42 |
|
|
} |
| 43 |
|
|
|
| 44 |
|
✗ |
QPainterPath QGVEdge::shape() const { |
| 45 |
|
✗ |
QPainterPathStroker ps; |
| 46 |
|
✗ |
ps.setCapStyle(_pen.capStyle()); |
| 47 |
|
✗ |
ps.setWidth(_pen.widthF() + 10); |
| 48 |
|
✗ |
ps.setJoinStyle(_pen.joinStyle()); |
| 49 |
|
✗ |
ps.setMiterLimit(_pen.miterLimit()); |
| 50 |
|
✗ |
return ps.createStroke(_path); |
| 51 |
|
|
} |
| 52 |
|
|
|
| 53 |
|
✗ |
void QGVEdge::setLabel(const QString &label) { setAttribute("xlabel", label); } |
| 54 |
|
|
|
| 55 |
|
✗ |
void QGVEdge::paint(QPainter *painter, const QStyleOptionGraphicsItem *, |
| 56 |
|
|
QWidget *) { |
| 57 |
|
✗ |
painter->save(); |
| 58 |
|
|
|
| 59 |
|
✗ |
if (isSelected()) { |
| 60 |
|
✗ |
QPen tpen(_pen); |
| 61 |
|
✗ |
tpen.setColor(_pen.color().darker(120)); |
| 62 |
|
✗ |
tpen.setStyle(Qt::DotLine); |
| 63 |
|
✗ |
painter->setPen(tpen); |
| 64 |
|
✗ |
} else |
| 65 |
|
✗ |
painter->setPen(_pen); |
| 66 |
|
|
|
| 67 |
|
✗ |
painter->drawPath(_path); |
| 68 |
|
|
|
| 69 |
|
|
/* |
| 70 |
|
|
QRectF pp = _path.controlPointRect(); |
| 71 |
|
|
if(pp.width() < pp.height()) |
| 72 |
|
|
{ |
| 73 |
|
|
painter->save(); |
| 74 |
|
|
painter->translate(_label_rect.topLeft()); |
| 75 |
|
|
painter->rotate(90); |
| 76 |
|
|
painter->drawText(QRectF(QPointF(0, -_label_rect.width()), |
| 77 |
|
|
_label_rect.size()), Qt::AlignCenter, _label); painter->restore(); |
| 78 |
|
|
} |
| 79 |
|
|
else |
| 80 |
|
|
*/ |
| 81 |
|
✗ |
painter->drawText(_label_rect, Qt::AlignCenter, _label); |
| 82 |
|
|
|
| 83 |
|
|
// painter->setBrush(QBrush(_pen.color(), Qt::SolidPattern)); |
| 84 |
|
✗ |
painter->drawPolygon(_head_arrow); |
| 85 |
|
✗ |
painter->drawPolygon(_tail_arrow); |
| 86 |
|
✗ |
painter->restore(); |
| 87 |
|
|
} |
| 88 |
|
|
|
| 89 |
|
✗ |
void QGVEdge::setAttribute(const QString &name, const QString &value) { |
| 90 |
|
✗ |
char empty[] = ""; |
| 91 |
|
✗ |
agsafeset(_edge->edge(), name.toLocal8Bit().data(), |
| 92 |
|
✗ |
value.toLocal8Bit().data(), empty); |
| 93 |
|
|
} |
| 94 |
|
|
|
| 95 |
|
✗ |
QString QGVEdge::getAttribute(const QString &name) const { |
| 96 |
|
✗ |
char *value = agget(_edge->edge(), name.toLocal8Bit().data()); |
| 97 |
|
✗ |
if (value) return value; |
| 98 |
|
✗ |
return QString(); |
| 99 |
|
|
} |
| 100 |
|
|
|
| 101 |
|
✗ |
void QGVEdge::updateLayout() { |
| 102 |
|
✗ |
prepareGeometryChange(); |
| 103 |
|
|
|
| 104 |
|
✗ |
qreal gheight = QGVCore::graphHeight(_scene->_graph->graph()); |
| 105 |
|
|
|
| 106 |
|
✗ |
const splines *spl = ED_spl(_edge->edge()); |
| 107 |
|
✗ |
_path = QGVCore::toPath(spl, gheight); |
| 108 |
|
|
|
| 109 |
|
|
// Edge arrows |
| 110 |
|
✗ |
if ((spl->list != 0) && (spl->list->size % 3 == 1)) { |
| 111 |
|
✗ |
if (spl->list->sflag) { |
| 112 |
|
|
_tail_arrow = |
| 113 |
|
✗ |
toArrow(QLineF(QGVCore::toPoint(spl->list->list[0], gheight), |
| 114 |
|
✗ |
QGVCore::toPoint(spl->list->sp, gheight))); |
| 115 |
|
|
} |
| 116 |
|
|
|
| 117 |
|
✗ |
if (spl->list->eflag) { |
| 118 |
|
✗ |
_head_arrow = toArrow(QLineF( |
| 119 |
|
✗ |
QGVCore::toPoint(spl->list->list[spl->list->size - 1], gheight), |
| 120 |
|
✗ |
QGVCore::toPoint(spl->list->ep, gheight))); |
| 121 |
|
|
} |
| 122 |
|
|
} |
| 123 |
|
|
|
| 124 |
|
✗ |
_pen.setWidth(QGVCore::toPenWidth(getAttribute("penwidth"))); |
| 125 |
|
✗ |
_pen.setColor(QGVCore::toColor(getAttribute("color"))); |
| 126 |
|
✗ |
_pen.setStyle(QGVCore::toPenStyle(getAttribute("style"))); |
| 127 |
|
|
|
| 128 |
|
|
// Edge label |
| 129 |
|
✗ |
textlabel_t *xlabel = ED_xlabel(_edge->edge()); |
| 130 |
|
✗ |
if (xlabel) { |
| 131 |
|
✗ |
_label = xlabel->text; |
| 132 |
|
✗ |
_label_rect.setSize(QSize(xlabel->dimen.x, xlabel->dimen.y)); |
| 133 |
|
✗ |
_label_rect.moveCenter(QGVCore::toPoint( |
| 134 |
|
✗ |
xlabel->pos, QGVCore::graphHeight(_scene->_graph->graph()))); |
| 135 |
|
|
} |
| 136 |
|
|
|
| 137 |
|
✗ |
setToolTip(getAttribute("tooltip")); |
| 138 |
|
|
} |
| 139 |
|
|
|
| 140 |
|
✗ |
QPolygonF QGVEdge::toArrow(const QLineF &line) const { |
| 141 |
|
✗ |
QLineF n = line.normalVector(); |
| 142 |
|
✗ |
QPointF o(n.dx() / 3.0, n.dy() / 3.0); |
| 143 |
|
|
|
| 144 |
|
|
// Only support normal arrow type |
| 145 |
|
✗ |
QPolygonF polygon; |
| 146 |
|
✗ |
polygon.append(line.p1() + o); |
| 147 |
|
✗ |
polygon.append(line.p2()); |
| 148 |
|
✗ |
polygon.append(line.p1() - o); |
| 149 |
|
|
|
| 150 |
|
✗ |
return polygon; |
| 151 |
|
|
} |
| 152 |
|
|
|