valentina/src/app/visualization/vsimplecurve.cpp

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/************************************************************************
**
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** @file vsimplecurve.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 17 12, 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 "vsimplecurve.h"
#include "../core/vapplication.h"
#include <QGraphicsSceneMouseEvent>
#include <QPen>
#include <QStyleOptionGraphicsItem>
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VSimpleSpline constructor.
* @param id spline id.
* @param factor scene scale factor.
* @param currentColor current color.
* @param parent parent object.
*/
VSimpleCurve::VSimpleCurve(quint32 id, QColor currentColor, SimpleCurvePoint pointPosition, qreal *factor,
QObject *parent)
:QObject(parent), QGraphicsPathItem(), id (id), factor(factor), currentColor(currentColor),
curvePosition(pointPosition), enabled(true)
{
if (factor == nullptr)
{
setPen(QPen(currentColor, qApp->toPixel(qApp->widthHairLine())));
}
else
{
setPen(QPen(currentColor, qApp->toPixel(qApp->widthHairLine())/ *factor));
}
setFlag(QGraphicsItem::ItemIsSelectable, true);
setAcceptHoverEvents(true);
}
//---------------------------------------------------------------------------------------------------------------------
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void VSimpleCurve::ChangedActivDraw(const bool &flag)
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{
enabled = flag;
setEnabled(enabled);
setPen(QPen(CorrectColor(currentColor), qApp->toPixel(qApp->widthHairLine())/ *factor));
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}
//---------------------------------------------------------------------------------------------------------------------
void VSimpleCurve::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
/* From question on StackOverflow
* https://stackoverflow.com/questions/10985028/how-to-remove-border-around-qgraphicsitem-when-selected
*
* There's no interface to disable the drawing of the selection border for the build-in QGraphicsItems. The only way
* I can think of is derive your own items from the build-in ones and override the paint() function:*/
QStyleOptionGraphicsItem myOption(*option);
myOption.state &= ~QStyle::State_Selected;
QGraphicsPathItem::paint(painter, &myOption, widget);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief mouseReleaseEvent handle mouse release events.
* @param event mouse release event.
*/
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void VSimpleCurve::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (event->button() == Qt::LeftButton)
{
emit Choosed(id);
}
QGraphicsPathItem::mouseReleaseEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief hoverMoveEvent handle hover move events.
* @param event hover move event.
*/
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void VSimpleCurve::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event);
if (factor == nullptr)
{
this->setPen(QPen(CorrectColor(currentColor), qApp->toPixel(qApp->widthMainLine())));
}
else
{
this->setPen(QPen(CorrectColor(currentColor), qApp->toPixel(qApp->widthMainLine())/ *factor));
}
emit HoverPath(id, curvePosition, PathDirection::Show);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief hoverLeaveEvent handle hover leave events.
* @param event hover leave event.
*/
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void VSimpleCurve::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event);
if (factor == nullptr)
{
this->setPen(QPen(CorrectColor(currentColor), qApp->toPixel(qApp->widthHairLine())));
}
else
{
this->setPen(QPen(CorrectColor(currentColor), qApp->toPixel(qApp->widthHairLine())/ *factor));
}
emit HoverPath(id, curvePosition, PathDirection::Hide);
}
//---------------------------------------------------------------------------------------------------------------------
QColor VSimpleCurve::GetCurrentColor() const
{
return currentColor;
}
//---------------------------------------------------------------------------------------------------------------------
void VSimpleCurve::SetCurrentColor(const QColor &value)
{
currentColor = value;
setPen(QPen(CorrectColor(currentColor), pen().widthF()));
}
//---------------------------------------------------------------------------------------------------------------------
void VSimpleCurve::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
event->ignore();
}
//---------------------------------------------------------------------------------------------------------------------
QColor VSimpleCurve::CorrectColor(const QColor &color) const
{
if (enabled)
{
return color;
}
else
{
return Qt::gray;
}
}