valentina/tools/drawTools/vtoolpoint.cpp

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/************************************************************************
**
** @file vtoolpoint.cpp
** @author Roman Telezhinsky <dismine@gmail.com>
** @date November 15, 2013
**
** @brief
** @copyright
** This source code is part of the Valentine project, a pattern making
** program, whose allow create and modeling patterns of clothing.
** Copyright (C) 2013 Valentina project
** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
**
** Valentina 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.
**
** Valentina 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 Valentina. If not, see <http://www.gnu.org/licenses/>.
**
*************************************************************************/
#include "vtoolpoint.h"
const QString VToolPoint::TagName = QStringLiteral("point");
VToolPoint::VToolPoint(VDomDocument *doc, VContainer *data, qint64 id, QGraphicsItem *parent):VDrawTool(doc, data, id),
QGraphicsEllipseItem(parent), radius(toPixel(2)), namePoint(0), lineName(0)
{
namePoint = new VGraphicsSimpleTextItem(this);
lineName = new QGraphicsLineItem(this);
connect(namePoint, &VGraphicsSimpleTextItem::NameChangePosition, this,
&VToolPoint::NameChangePosition);
this->setBrush(QBrush(Qt::NoBrush));
this->setFlag(QGraphicsItem::ItemIsSelectable, true);
this->setAcceptHoverEvents(true);
RefreshPointGeometry(VAbstractTool::data.GetPoint(id));
}
void VToolPoint::NameChangePosition(const QPointF &pos)
{
VPointF point = VAbstractTool::data.GetPoint(id);
QPointF p = pos - this->pos();
point.setMx(p.x());
point.setMy(p.y());
RefreshLine();
UpdateNamePosition(point.mx(), point.my());
VAbstractTool::data.UpdatePoint(id, point);
}
void VToolPoint::UpdateNamePosition(qreal mx, qreal my)
{
QDomElement domElement = doc->elementById(QString().setNum(id));
if (domElement.isElement())
{
domElement.setAttribute(AttrMx, QString().setNum(toMM(mx)));
domElement.setAttribute(AttrMy, QString().setNum(toMM(my)));
emit toolhaveChange();
}
}
void VToolPoint::ChangedActivDraw(const QString &newName)
{
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bool selectable = false;
if (nameActivDraw == newName)
{
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selectable = true;
currentColor = Qt::black;
}
else
{
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selectable = false;
currentColor = Qt::gray;
}
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this->setPen(QPen(currentColor, widthHairLine/factor));
this->setFlag(QGraphicsItem::ItemIsSelectable, selectable);
this->setAcceptHoverEvents (selectable);
namePoint->setFlag(QGraphicsItem::ItemIsMovable, selectable);
namePoint->setFlag(QGraphicsItem::ItemIsSelectable, selectable);
namePoint->setFlag(QGraphicsItem::ItemSendsGeometryChanges, selectable);
namePoint->setBrush(QBrush(currentColor));
namePoint->setAcceptHoverEvents(selectable);
lineName->setPen(QPen(currentColor, widthHairLine/factor));
VDrawTool::ChangedActivDraw(newName);
}
void VToolPoint::ShowTool(qint64 id, Qt::GlobalColor color, bool enable)
{
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ShowItem(this, id, color, enable);
}
void VToolPoint::SetFactor(qreal factor)
{
VDrawTool::SetFactor(factor);
RefreshPointGeometry(VAbstractTool::data.GetPoint(id));
}
void VToolPoint::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (event->button() == Qt::LeftButton)
{
emit ChoosedTool(id, Scene::Point);
}
QGraphicsItem::mouseReleaseEvent(event);
}
void VToolPoint::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event);
this->setPen(QPen(currentColor, widthMainLine/factor));
}
void VToolPoint::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event);
this->setPen(QPen(currentColor, widthHairLine/factor));
}
void VToolPoint::RefreshPointGeometry(const VPointF &point)
{
this->setPen(QPen(currentColor, widthHairLine/factor));
QRectF rec = QRectF(0, 0, radius*2/factor, radius*2/factor);
rec.translate(-rec.center().x(), -rec.center().y());
this->setRect(rec);
this->setPos(point.toQPointF());
disconnect(namePoint, &VGraphicsSimpleTextItem::NameChangePosition, this,
&VToolPoint::NameChangePosition);
QFont font = namePoint->font();
font.setPointSize(static_cast<qint32>(namePoint->FontSize()/factor));
namePoint->setFont(font);
namePoint->setText(point.name());
namePoint->setPos(QPointF(point.mx(), point.my()));
connect(namePoint, &VGraphicsSimpleTextItem::NameChangePosition, this,
&VToolPoint::NameChangePosition);
RefreshLine();
}
void VToolPoint::RefreshLine()
{
QRectF nameRec = namePoint->sceneBoundingRect();
QPointF p1, p2;
LineIntersectCircle(QPointF(), radius/factor, QLineF(QPointF(), nameRec.center()- scenePos()), p1, p2);
QPointF pRec = LineIntersectRect(nameRec, QLineF(scenePos(), nameRec.center()));
lineName->setLine(QLineF(p1, pRec - scenePos()));
lineName->setPen(QPen(currentColor, widthHairLine/factor));
if (QLineF(p1, pRec - scenePos()).length() <= toPixel(4))
{
lineName->setVisible(false);
}
else
{
lineName->setVisible(true);
}
}