valentina/src/widgets/vitem.cpp

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/************************************************************************
**
** @file vitem.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/>.
**
*************************************************************************/
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#include "vitem.h"
#include "../options.h"
#include <QGraphicsScene>
#include <QDebug>
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VItem::VItem (const QPainterPath & path, int numInList, QGraphicsItem * parent )
:QGraphicsPathItem ( path, parent ), numInOutList(numInList), paper(0)
{
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}
void VItem::checkItemChange()
{
QRectF rect;
if (paper == 0)
{
qDebug()<<"Don't set paper for detail!!!!";
rect = this->scene()->sceneRect();
}
else
{
rect = paper->sceneBoundingRect();
}
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QRectF myrect = sceneBoundingRect();
if ( rect.contains( myrect )==true )
{
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setPen(QPen(Qt::black, widthMainLine));
emit itemOut( numInOutList, false );
}
else
{
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setPen(QPen(Qt::red, widthMainLine));
emit itemOut( numInOutList, true );
}
QList<QGraphicsItem *> list = QGraphicsItem::collidingItems ();
if ( list.size() - 2 > 0 )
{
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list.append( this );
setPen(QPen(Qt::red, widthMainLine));
emit itemColliding( list, 1 );//Detail intersect with other details.
}
else
{
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QList<QGraphicsItem *> itemList;
itemList.append( this );
emit itemColliding( itemList, 0 );//Detail doesn't intersect more with other details.
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}
//qDebug()<<"list="<<list.size();
}
QVariant VItem::itemChange( GraphicsItemChange change, const QVariant &value )
{
if ( change == QGraphicsItem::ItemPositionHasChanged && scene() )
{
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checkItemChange();
return QGraphicsPathItem::itemChange( change, value );
}
if ( change == QGraphicsItem::ItemParentHasChanged && scene() )
{
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checkItemChange();
return QGraphicsPathItem::itemChange( change, value );
}
return QGraphicsPathItem::itemChange( change, value );
}
void VItem::LengthChanged()
{
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checkItemChange();
}