valentina/src/app/tools/drawTools/vtoolpoint.cpp

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/************************************************************************
**
** @file vtoolpoint.cpp
** @author Roman Telezhynskyi <dismine(at)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"
#include <QKeyEvent>
#include "../../geometry/vpointf.h"
#include "../../visualization/vgraphicssimpletextitem.h"
const QString VToolPoint::TagName = QStringLiteral("point");
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VToolPoint constructor.
* @param doc dom document container.
* @param data container with variables.
* @param id object id in container.
* @param parent parent object.
*/
VToolPoint::VToolPoint(VPattern *doc, VContainer *data, quint32 id, QGraphicsItem *parent)
:VDrawTool(doc, data, id), QGraphicsEllipseItem(parent), radius(DefPointRadius), namePoint(nullptr),
lineName(nullptr)
{
radius = qApp->toPixel(DefPointRadius/*mm*/, Unit::Mm);
namePoint = new VGraphicsSimpleTextItem(this);
connect(namePoint, &VGraphicsSimpleTextItem::ShowContextMenu, this, &VToolPoint::ShowContextMenu);
namePoint->setBrush(Qt::black);
lineName = new QGraphicsLineItem(this);
lineName->setPen(QPen(Qt::black));
connect(namePoint, &VGraphicsSimpleTextItem::NameChangePosition, this, &VToolPoint::NameChangePosition);
this->setBrush(QBrush(Qt::NoBrush));
this->setFlag(QGraphicsItem::ItemIsSelectable, true);
this->setFlag(QGraphicsItem::ItemIsFocusable, true);
this->setAcceptHoverEvents(true);
RefreshPointGeometry(*VAbstractTool::data.GeometricObject<VPointF>(id));
}
//---------------------------------------------------------------------------------------------------------------------
void VToolPoint::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);
}
//---------------------------------------------------------------------------------------------------------------------
QString VToolPoint::name() const
{
return VAbstractTool::data.GeometricObject<VPointF>(id)->name();
}
//---------------------------------------------------------------------------------------------------------------------
void VToolPoint::setName(const QString &name)
{
QSharedPointer<VGObject> obj = VAbstractTool::data.GetGObject(id);
obj->setName(name);
SaveOption(obj);
}
//---------------------------------------------------------------------------------------------------------------------
QString VToolPoint::getTagName() const
{
return VToolPoint::TagName;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief NameChangePosition handle change posion point label.
* @param pos new position.
*/
void VToolPoint::NameChangePosition(const QPointF &pos)
{
VPointF *point = new VPointF(*VAbstractTool::data.GeometricObject<VPointF>(id));
QPointF p = pos - this->pos();
point->setMx(p.x());
point->setMy(p.y());
RefreshLine();
UpdateNamePosition(point->mx(), point->my());
VAbstractTool::data.UpdateGObject(id, point);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief UpdateNamePosition save new position label to the pattern file.
* @param mx label bias x axis.
* @param my label bias y axis.
*/
void VToolPoint::UpdateNamePosition(qreal mx, qreal my)
{
QDomElement domElement = doc->elementById(QString().setNum(id));
if (domElement.isElement())
{
doc->SetAttribute(domElement, AttrMx, qApp->fromPixel(mx));
doc->SetAttribute(domElement, AttrMy, qApp->fromPixel(my));
emit toolhaveChange();
}
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief ChangedActivDraw disable or enable context menu after change active pattern peace.
* @param newName new name active pattern peace.
*/
void VToolPoint::ChangedActivDraw(const QString &newName)
{
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bool selectable = false;
if (nameActivDraw == newName)
{
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selectable = true;
currentColor = baseColor;
}
else
{
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selectable = false;
currentColor = Qt::gray;
}
this->setPen(QPen(currentColor, qApp->toPixel(qApp->widthHairLine())/factor));
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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, qApp->toPixel(qApp->widthHairLine())/factor));
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VDrawTool::ChangedActivDraw(newName);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief ShowTool highlight tool.
* @param id object id in container.
* @param color highlight color.
* @param enable enable or disable highlight.
*/
void VToolPoint::ShowTool(quint32 id, Qt::GlobalColor color, bool enable)
{
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ShowItem(this, id, color, enable);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief SetFactor set current scale factor of scene.
* @param factor scene scale factor.
*/
void VToolPoint::SetFactor(qreal factor)
{
VDrawTool::SetFactor(factor);
RefreshPointGeometry(*VAbstractTool::data.GeometricObject<VPointF>(id));
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief ShowContextMenu show context menu.
* @param event context menu event.
*/
void VToolPoint::ShowContextMenu(QGraphicsSceneContextMenuEvent *event)
{
Q_UNUSED(event);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolPoint::Disable(bool disable)
{
DisableItem(this, disable);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief mouseReleaseEvent handle mouse release events.
* @param event mouse release event.
*/
void VToolPoint::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (event->button() == Qt::LeftButton)
{
emit ChoosedTool(id, SceneObject::Point);
}
QGraphicsEllipseItem::mouseReleaseEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief hoverEnterEvent handle hover enter events.
* @param event hover enter event.
*/
void VToolPoint::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event);
this->setPen(QPen(currentColor, qApp->toPixel(qApp->widthMainLine())/factor));
QGraphicsEllipseItem::hoverEnterEvent(event);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief hoverLeaveEvent handle hover leave events.
* @param event hover leave event.
*/
void VToolPoint::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
Q_UNUSED(event);
this->setPen(QPen(currentColor, qApp->toPixel(qApp->widthHairLine())/factor));
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief RefreshPointGeometry refresh point on scene.
* @param point point.
*/
void VToolPoint::RefreshPointGeometry(const VPointF &point)
{
this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, false);
this->setPen(QPen(currentColor, qApp->toPixel(qApp->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());
this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
namePoint->blockSignals(true);
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()));
namePoint->blockSignals(false);
RefreshLine();
this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief RefreshLine refresh line to label on scene.
*/
void VToolPoint::RefreshLine()
{
QRectF nRec = namePoint->sceneBoundingRect();
nRec.translate(- scenePos());
if (this->rect().intersects(nRec) == false)
{
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()));
if (currentColor == Qt::gray)
{
lineName->setPen(QPen(currentColor, qApp->toPixel(qApp->widthHairLine())/factor));
}
else
{
lineName->setPen(QPen(Qt::black, qApp->toPixel(qApp->widthHairLine())/factor));
}
if (QLineF(p1, pRec - scenePos()).length() <= qApp->toPixel(4, Unit::Mm))
{
lineName->setVisible(false);
}
else
{
lineName->setVisible(true);
}
}
else
{
lineName->setVisible(false);
}
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief itemChange hadle item change.
* @param change change.
* @param value value.
* @return value.
*/
QVariant VToolPoint::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value)
{
if (change == QGraphicsItem::ItemSelectedChange)
{
if (value == true)
{
// do stuff if selected
this->setFocus();
}
else
{
// do stuff if not selected
}
}
return QGraphicsItem::itemChange(change, value);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief keyReleaseEvent handle key release events.
* @param event key release event.
*/
void VToolPoint::keyReleaseEvent(QKeyEvent *event)
{
switch (event->key())
{
case Qt::Key_Delete:
DeleteTool(this);
break;
default:
break;
}
QGraphicsEllipseItem::keyReleaseEvent ( event );
}