valentina/src/libs/vwidgets/vsimplepoint.cpp

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/************************************************************************
**
** @file vsimplepoint.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 20 6, 2015
**
** @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) 2015 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 "vsimplepoint.h"
#include "vgraphicssimpletextitem.h"
#include "../ifc/ifcdef.h"
#include "../vgeometry/vgobject.h"
#include "../vgeometry/vpointf.h"
#include <QGraphicsSceneMouseEvent>
#include <QStyleOptionGraphicsItem>
#include <QPen>
//---------------------------------------------------------------------------------------------------------------------
VSimplePoint::VSimplePoint(quint32 id, const QColor &currentColor, Unit patternUnit, qreal *factor, QObject *parent)
:VAbstractSimple(id, currentColor, patternUnit, factor, parent), QGraphicsEllipseItem(),
radius(ToPixel(DefPointRadius/*mm*/, Unit::Mm)), namePoint(nullptr), lineName(nullptr)
{
namePoint = new VGraphicsSimpleTextItem(this);
connect(namePoint, &VGraphicsSimpleTextItem::ShowContextMenu, this, &VSimplePoint::ContextMenu);
connect(namePoint, &VGraphicsSimpleTextItem::DeleteTool, this, &VSimplePoint::DeleteFromLabel);
connect(namePoint, &VGraphicsSimpleTextItem::PointChoosed, this, &VSimplePoint::PointChoosed);
connect(namePoint, &VGraphicsSimpleTextItem::NameChangePosition, this, &VSimplePoint::ChangedPosition);
lineName = new QGraphicsLineItem(this);
this->setBrush(QBrush(Qt::NoBrush));
SetPen(this, currentColor, WidthHairLine(patternUnit));
this->setFlag(QGraphicsItem::ItemIsSelectable, true);
this->setFlag(QGraphicsItem::ItemIsFocusable, true);
this->setAcceptHoverEvents(true);
}
//---------------------------------------------------------------------------------------------------------------------
VSimplePoint::~VSimplePoint()
{}
//---------------------------------------------------------------------------------------------------------------------
void VSimplePoint::ChangedActivDraw(const bool &flag)
{
enabled = flag;
setEnabled(enabled);
SetPen(this, currentColor, WidthHairLine(patternUnit));
}
//---------------------------------------------------------------------------------------------------------------------
void VSimplePoint::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;
QGraphicsEllipseItem::paint(painter, &myOption, widget);
}
//---------------------------------------------------------------------------------------------------------------------
void VSimplePoint::RefreshLine()
{
QRectF nRec = namePoint->sceneBoundingRect();
nRec.translate(- scenePos());
if (this->rect().intersects(nRec) == false)
{
const QRectF nameRec = namePoint->sceneBoundingRect();
QPointF p1, p2;
VGObject::LineIntersectCircle(QPointF(), radius, QLineF(QPointF(), nameRec.center() - scenePos()), p1, p2);
const QPointF pRec = VGObject::LineIntersectRect(nameRec, QLineF(scenePos(), nameRec.center()));
lineName->setLine(QLineF(p1, pRec - scenePos()));
SetPen(lineName, QColor(Qt::black), WidthHairLine(patternUnit));
if (QLineF(p1, pRec - scenePos()).length() <= ToPixel(4, Unit::Mm))
{
lineName->setVisible(false);
}
else
{
lineName->setVisible(true);
}
}
else
{
lineName->setVisible(false);
}
}
//---------------------------------------------------------------------------------------------------------------------
void VSimplePoint::RefreshGeometry(const VPointF &point)
{
this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, false);
SetPen(this, currentColor, WidthHairLine(patternUnit));
QRectF rec = QRectF(0, 0, radius*2, radius*2);
rec.translate(-rec.center().x(), -rec.center().y());
this->setRect(rec);
this->setPos(point.toQPointF());
this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
namePoint->blockSignals(true);
QFont font = namePoint->font();
if (factor == nullptr)
{
font.setPointSize(static_cast<qint32>(namePoint->FontSize()));
}
else
{
font.setPointSize(static_cast<qint32>(namePoint->FontSize()/ *factor));
}
namePoint->setFont(font);
namePoint->setText(point.name());
namePoint->setPos(QPointF(point.mx(), point.my()));
namePoint->blockSignals(false);
RefreshLine();
this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
}
//---------------------------------------------------------------------------------------------------------------------
void VSimplePoint::SetEnabled(bool enabled)
{
namePoint->setEnabled(enabled);
}
//---------------------------------------------------------------------------------------------------------------------
void VSimplePoint::EnableToolMove(bool move)
{
namePoint->setFlag(QGraphicsItem::ItemIsMovable, move);
}
//---------------------------------------------------------------------------------------------------------------------
void VSimplePoint::DeleteFromLabel()
{
emit Delete();
}
//---------------------------------------------------------------------------------------------------------------------
void VSimplePoint::PointChoosed()
{
emit Choosed(id);
}
//---------------------------------------------------------------------------------------------------------------------
void VSimplePoint::ChangedPosition(const QPointF &pos)
{
emit NameChangedPosition(pos);
}
//---------------------------------------------------------------------------------------------------------------------
void VSimplePoint::ContextMenu(QGraphicsSceneContextMenuEvent *event)
{
emit ShowContextMenu(event);
}
//---------------------------------------------------------------------------------------------------------------------
void VSimplePoint::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (event->button() == Qt::LeftButton)
{
emit Choosed(id);
}
QGraphicsEllipseItem::mouseReleaseEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
void VSimplePoint::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
SetPen(this, currentColor, WidthMainLine(patternUnit));
QGraphicsEllipseItem::hoverEnterEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
void VSimplePoint::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
SetPen(this, currentColor, WidthHairLine(patternUnit));
QGraphicsEllipseItem::hoverLeaveEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
// cppcheck-suppress unusedFunction
QColor VSimplePoint::GetCurrentColor() const
{
return currentColor;
}
//---------------------------------------------------------------------------------------------------------------------
void VSimplePoint::SetCurrentColor(const QColor &value)
{
currentColor = value;
SetPen(this, CorrectColor(currentColor), pen().widthF());
}