valentina/src/libs/vwidgets/vpieceitem.cpp

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/************************************************************************
**
** @file
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 18 1, 2017
**
** @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) 2017 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 "vpieceitem.h"
#include "../vmisc/vmath.h"
#include <QGraphicsScene>
//---------------------------------------------------------------------------------------------------------------------
VPieceItem::VPieceItem(QGraphicsItem *pParent)
: QGraphicsObject(pParent),
m_rectBoundingBox(),
m_eMode(VPieceItem::mNormal),
m_bReleased(false),
m_ptRotCenter(),
m_moveType(AllModifications),
m_inactiveZ(1)
{
m_rectBoundingBox.setTopLeft(QPointF(0, 0));
setAcceptHoverEvents(true);
}
//---------------------------------------------------------------------------------------------------------------------
VPieceItem::~VPieceItem()
{
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief boundingRect returns the item bounding box
* @return item bounding box
*/
QRectF VPieceItem::boundingRect() const
{
return m_rectBoundingBox;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief Reset resets the item, putting the mode and z coordinate to normal and redraws it
*/
void VPieceItem::Reset()
{
if (QGraphicsScene *toolScene = scene())
{
toolScene->clearSelection();
}
m_eMode = mNormal;
m_bReleased = false;
Update();
setZValue(m_inactiveZ);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief IsIdle returns the idle flag.
* @return true, if item mode is normal and false otherwise.
*/
bool VPieceItem::IsIdle() const
{
return m_eMode == mNormal;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief GetAngle calculates the angle between the line, which goes from rotation center to pt and x axis
* @param pt point of interest
* @return the angle between line from rotation center and point of interest and x axis
*/
double VPieceItem::GetAngle(const QPointF &pt) const
{
const double dX = pt.x() - m_ptRotCenter.x();
const double dY = pt.y() - m_ptRotCenter.y();
if (fabs(dX) < 1 && fabs(dY) < 1)
{
return 0;
}
else
{
return qAtan2(dY, dX);
}
}
//---------------------------------------------------------------------------------------------------------------------
VPieceItem::MoveType VPieceItem::GetMoveType() const
{
return m_moveType;
}
//---------------------------------------------------------------------------------------------------------------------
void VPieceItem::SetMoveType(const MoveType &moveType)
{
m_moveType = moveType;
setAcceptHoverEvents(m_moveType != NotMovable);
}