138 lines
3.8 KiB
C++
138 lines
3.8 KiB
C++
/***************************************************************
|
|
QGVCore
|
|
Copyright (c) 2014, Bergont Nicolas, All rights reserved.
|
|
|
|
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 3.0 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.
|
|
***************************************************************/
|
|
|
|
#include <QGVNode.h>
|
|
#include <QGVCore.h>
|
|
#include <QGVScene.h>
|
|
#include <QGVGraphPrivate.h>
|
|
#include <QGVNodePrivate.h>
|
|
#include <QDebug>
|
|
#include <QPainter>
|
|
#include <iostream>
|
|
QGVNode::QGVNode(QGVNodePrivate *node, QGVScene *qgvscene): _scene(qgvscene),
|
|
_node(node)
|
|
{
|
|
this->setFlag(QGraphicsItem::ItemIsSelectable, true);
|
|
// this->setFlag(QGraphicsItem::ItemIsMovable, true);
|
|
}
|
|
|
|
QGVNode::~QGVNode()
|
|
{
|
|
_scene->removeItem(this);
|
|
delete _node;
|
|
}
|
|
|
|
QString QGVNode::label() const
|
|
{
|
|
return getAttribute("label");
|
|
}
|
|
|
|
void QGVNode::setLabel(const QString &_label)
|
|
{
|
|
setAttribute("label", _label);
|
|
}
|
|
|
|
QRectF QGVNode::boundingRect() const
|
|
{
|
|
return _path.boundingRect();
|
|
}
|
|
|
|
void QGVNode::paint(QPainter * painter,
|
|
const QStyleOptionGraphicsItem */*_option*/, QWidget */*_widget*/)
|
|
{
|
|
painter->save();
|
|
|
|
painter->setPen(_pen);
|
|
|
|
if (isSelected())
|
|
{
|
|
QBrush tbrush(_brush);
|
|
tbrush.setColor(tbrush.color().darker(120));
|
|
painter->setBrush(tbrush);
|
|
}
|
|
else
|
|
painter->setBrush(_brush);
|
|
|
|
painter->drawPath(_path);
|
|
|
|
painter->setPen(QGVCore::toColor(getAttribute("labelfontcolor")));
|
|
|
|
const QRectF rect = boundingRect();
|
|
if (_icon.isNull())
|
|
{
|
|
painter->drawText(rect, Qt::AlignCenter , QGVNode::label());
|
|
}
|
|
else
|
|
{
|
|
painter->drawText(rect.adjusted(0,0,0, -rect.height()*2/3),
|
|
Qt::AlignCenter , QGVNode::label());
|
|
|
|
const QRectF img_rect = rect.adjusted(0, rect.height()/3,0, 0);
|
|
QImage img = _icon.scaled(img_rect.size().toSize(),
|
|
Qt::KeepAspectRatio, Qt::SmoothTransformation);
|
|
painter->drawImage(img_rect.topLeft() + QPointF((img_rect.width()
|
|
- img.rect().width())/2, 0), img);
|
|
}
|
|
painter->restore();
|
|
}
|
|
|
|
void QGVNode::setAttribute(const QString &name, const QString &value)
|
|
{
|
|
agsafeset(_node->node(), name.toLocal8Bit().data(),
|
|
value.toLocal8Bit().data(), (char *)"");
|
|
}
|
|
|
|
QString QGVNode::getAttribute(const QString &name) const
|
|
{
|
|
char* value = agget(_node->node(), name.toLocal8Bit().data());
|
|
if (value)
|
|
return value;
|
|
return QString();
|
|
}
|
|
|
|
void QGVNode::setIcon(const QImage &icon)
|
|
{
|
|
_icon = icon;
|
|
}
|
|
|
|
void QGVNode::updateLayout()
|
|
{
|
|
prepareGeometryChange();
|
|
qreal width = ND_width(_node->node())*DotDefaultDPI;
|
|
qreal height = ND_height(_node->node())*DotDefaultDPI;
|
|
|
|
// Node Position (center)
|
|
qreal gheight = QGVCore::graphHeight(_scene->_graph->graph());
|
|
setPos(QGVCore::centerToOrigin(QGVCore::toPoint(ND_coord(_node->node()),
|
|
gheight), width, height));
|
|
|
|
// Node on top
|
|
setZValue(1);
|
|
|
|
// Node path
|
|
_path = QGVCore::toPath(ND_shape(_node->node())->name,
|
|
static_cast<polygon_t *>(ND_shape_info(_node->node())), width, height);
|
|
_pen.setWidth(1);
|
|
|
|
_brush.setStyle(QGVCore::toBrushStyle(getAttribute("style")));
|
|
_brush.setColor(QGVCore::toColor(getAttribute("fillcolor")));
|
|
_pen.setColor(QGVCore::toColor(getAttribute("color")));
|
|
|
|
setToolTip(getAttribute("tooltip"));
|
|
}
|