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//
// C++ Implementation: PointGraphicsItem
//
// Description:
//
//
// Author: Thibaut GRIDEL <tgridel@free.fr>
//
// Copyright (c) 2009-2020 Thibaut GRIDEL
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
//
#include "point.h"
#include "commontypes.h"
#include "situationscene.h"
#include "situationmodel.h"
#include "polylinemodel.h"
#include "pointmodel.h"
#include <QPainter>
#include <QGraphicsScene>
#include <QGraphicsSceneMouseEvent>
#include <iostream>
extern int debugLevel;
const int size = 3;
PointGraphicsItem::PointGraphicsItem(PointModel *point, QGraphicsItem *parent)
: QGraphicsItem(parent),
m_point(point),
m_bubble(new BubbleGraphicsItem(m_point, this)),
m_laylines(new LaylinesGraphicsItem(m_point, this)) {
setZValue(1);
setFlag(QGraphicsItem::ItemIsMovable);
setFlag(QGraphicsItem::ItemIsSelectable);
setPos(point->position());
m_bubble->setZValue(1);
m_points << QPoint(0, -size)
<< QPoint(size, 0)
<< QPoint(0, size)
<< QPoint(-size, 0)
<< QPoint(0, -size);
connect(point, SIGNAL(positionChanged(QPointF)),
this, SLOT(setPosition(QPointF)));
connect(point->polyLine()->situation(), SIGNAL(pointRemoved(PointModel *)),
this, SLOT(deleteItem(PointModel*)));
}
PointGraphicsItem::~PointGraphicsItem() {}
void PointGraphicsItem::setPosition(QPointF position) {
if (pos() != position) {
setPos(position);
update();
}
}
void PointGraphicsItem::deleteItem(PointModel *point) {
if (point == m_point) {
if (debugLevel & 1 << VIEW) std::cout << "deleting pointGraphics for model" << m_point << std::endl;
scene()->removeItem(this);
delete this;
}
}
void PointGraphicsItem::mousePressEvent(QGraphicsSceneMouseEvent *event) {
bool selection = true;
if ((event->modifiers() & Qt::ControlModifier) != 0) {
selection = !isSelected();
}
if (selection) {
m_point->situation()->addSelectedPoint(m_point);
} else {
m_point->situation()->removeSelectedModel(m_point);
}
setSelected(selection);
update();
}
void PointGraphicsItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
Q_UNUSED(event);
}
void PointGraphicsItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
Q_UNUSED(event);
}
QRectF PointGraphicsItem::boundingRect() const {
return QRectF(-size, -size, 2*size, 2*size);
}
QPainterPath PointGraphicsItem::shape() const {
QPainterPath path;
path.addPolygon(m_points);
return path;
}
void PointGraphicsItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
QWidget *widget) {
Q_UNUSED(option);
Q_UNUSED(widget);
if (isSelected())
painter->setPen(Qt::red);
else
painter->setPen(Qt::black);
painter->setBrush(Qt::black);
painter->drawPolygon(m_points);
}
int PointGraphicsItem::type() const {
return POINT_TYPE;
}
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