308 lines
11 KiB
C++
308 lines
11 KiB
C++
/************************************************************************
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**
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** @file vtoolpoint.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date November 15, 2013
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**
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** @brief
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** @copyright
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** This source code is part of the Valentine project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2013 Valentina project
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** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
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**
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** Valentina is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** Valentina is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
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**
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*************************************************************************/
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#include "vtoolpoint.h"
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#include <QKeyEvent>
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#include "../../geometry/vpointf.h"
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#include "../../visualization/vgraphicssimpletextitem.h"
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const QString VToolPoint::TagName = QStringLiteral("point");
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief VToolPoint constructor.
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* @param doc dom document container.
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* @param data container with variables.
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* @param id object id in container.
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* @param parent parent object.
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*/
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VToolPoint::VToolPoint(VPattern *doc, VContainer *data, quint32 id, QGraphicsItem *parent)
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:VDrawTool(doc, data, id), QGraphicsEllipseItem(parent), radius(DefPointRadius), namePoint(0), lineName(0)
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{
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radius = qApp->toPixel(DefPointRadius/*mm*/, Unit::Mm);
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namePoint = new VGraphicsSimpleTextItem(this);
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connect(namePoint, &VGraphicsSimpleTextItem::ShowContextMenu, this, &VToolPoint::ShowContextMenu);
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namePoint->setBrush(Qt::black);
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lineName = new QGraphicsLineItem(this);
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lineName->setPen(QPen(Qt::black));
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connect(namePoint, &VGraphicsSimpleTextItem::NameChangePosition, this, &VToolPoint::NameChangePosition);
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this->setBrush(QBrush(Qt::NoBrush));
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this->setFlag(QGraphicsItem::ItemIsSelectable, true);
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this->setFlag(QGraphicsItem::ItemIsFocusable, true);
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this->setAcceptHoverEvents(true);
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RefreshPointGeometry(*VAbstractTool::data.GeometricObject<const VPointF *>(id));
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VToolPoint::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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/* From question on StackOverflow
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* https://stackoverflow.com/questions/10985028/how-to-remove-border-around-qgraphicsitem-when-selected
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*
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* There's no interface to disable the drawing of the selection border for the build-in QGraphicsItems. The only way
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* I can think of is derive your own items from the build-in ones and override the paint() function:*/
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QStyleOptionGraphicsItem myOption(*option);
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myOption.state &= ~QStyle::State_Selected;
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QGraphicsEllipseItem::paint(painter, &myOption, widget);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief NameChangePosition handle change posion point label.
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* @param pos new position.
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*/
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void VToolPoint::NameChangePosition(const QPointF &pos)
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{
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VPointF *point = new VPointF(*VAbstractTool::data.GeometricObject<const VPointF *>(id));
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QPointF p = pos - this->pos();
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point->setMx(p.x());
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point->setMy(p.y());
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RefreshLine();
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UpdateNamePosition(point->mx(), point->my());
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VAbstractTool::data.UpdateGObject(id, point);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief UpdateNamePosition save new position label to the pattern file.
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* @param mx label bias x axis.
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* @param my label bias y axis.
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*/
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void VToolPoint::UpdateNamePosition(qreal mx, qreal my)
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{
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QDomElement domElement = doc->elementById(QString().setNum(id));
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if (domElement.isElement())
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{
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doc->SetAttribute(domElement, AttrMx, qApp->fromPixel(mx));
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doc->SetAttribute(domElement, AttrMy, qApp->fromPixel(my));
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emit toolhaveChange();
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief ChangedActivDraw disable or enable context menu after change active pattern peace.
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* @param newName new name active pattern peace.
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*/
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void VToolPoint::ChangedActivDraw(const QString &newName)
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{
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bool selectable = false;
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if (nameActivDraw == newName)
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{
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selectable = true;
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currentColor = baseColor;
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}
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else
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{
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selectable = false;
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currentColor = Qt::gray;
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}
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this->setPen(QPen(currentColor, qApp->toPixel(qApp->widthHairLine())/factor));
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this->setFlag(QGraphicsItem::ItemIsSelectable, selectable);
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this->setAcceptHoverEvents (selectable);
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namePoint->setFlag(QGraphicsItem::ItemIsMovable, selectable);
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namePoint->setFlag(QGraphicsItem::ItemIsSelectable, selectable);
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namePoint->setFlag(QGraphicsItem::ItemSendsGeometryChanges, selectable);
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namePoint->setBrush(QBrush(currentColor));
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namePoint->setAcceptHoverEvents(selectable);
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lineName->setPen(QPen(currentColor, qApp->toPixel(qApp->widthHairLine())/factor));
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VDrawTool::ChangedActivDraw(newName);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief ShowTool highlight tool.
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* @param id object id in container.
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* @param color highlight color.
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* @param enable enable or disable highlight.
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*/
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void VToolPoint::ShowTool(quint32 id, Qt::GlobalColor color, bool enable)
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{
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ShowItem(this, id, color, enable);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief SetFactor set current scale factor of scene.
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* @param factor scene scale factor.
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*/
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void VToolPoint::SetFactor(qreal factor)
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{
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VDrawTool::SetFactor(factor);
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RefreshPointGeometry(*VAbstractTool::data.GeometricObject<const VPointF *>(id));
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief ShowContextMenu show context menu.
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* @param event context menu event.
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*/
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void VToolPoint::ShowContextMenu(QGraphicsSceneContextMenuEvent *event)
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{
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Q_UNUSED(event);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VToolPoint::Disable(bool disable)
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{
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DisableItem(this, disable);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief mouseReleaseEvent handle mouse release events.
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* @param event mouse release event.
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*/
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void VToolPoint::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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if (event->button() == Qt::LeftButton)
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{
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emit ChoosedTool(id, SceneObject::Point);
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}
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QGraphicsItem::mouseReleaseEvent(event);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief hoverMoveEvent handle hover move events.
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* @param event hover move event.
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*/
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void VToolPoint::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event);
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this->setPen(QPen(currentColor, qApp->toPixel(qApp->widthMainLine())/factor));
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief hoverLeaveEvent handle hover leave events.
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* @param event hover leave event.
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*/
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void VToolPoint::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
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{
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Q_UNUSED(event);
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this->setPen(QPen(currentColor, qApp->toPixel(qApp->widthHairLine())/factor));
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief RefreshPointGeometry refresh point on scene.
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* @param point point.
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*/
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void VToolPoint::RefreshPointGeometry(const VPointF &point)
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{
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this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, false);
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this->setPen(QPen(currentColor, qApp->toPixel(qApp->widthHairLine())/factor));
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QRectF rec = QRectF(0, 0, radius*2/factor, radius*2/factor);
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rec.translate(-rec.center().x(), -rec.center().y());
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this->setRect(rec);
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this->setPos(point.toQPointF());
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this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
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disconnect(namePoint, &VGraphicsSimpleTextItem::NameChangePosition, this, &VToolPoint::NameChangePosition);
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QFont font = namePoint->font();
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font.setPointSize(static_cast<qint32>(namePoint->FontSize()/factor));
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namePoint->setFont(font);
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namePoint->setText(point.name());
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namePoint->setPos(QPointF(point.mx(), point.my()));
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connect(namePoint, &VGraphicsSimpleTextItem::NameChangePosition, this, &VToolPoint::NameChangePosition);
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RefreshLine();
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this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief RefreshLine refresh line to label on scene.
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*/
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void VToolPoint::RefreshLine()
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{
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QRectF nameRec = namePoint->sceneBoundingRect();
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QPointF p1, p2;
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LineIntersectCircle(QPointF(), radius/factor, QLineF(QPointF(), nameRec.center()- scenePos()), p1, p2);
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QPointF pRec = LineIntersectRect(nameRec, QLineF(scenePos(), nameRec.center()));
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lineName->setLine(QLineF(p1, pRec - scenePos()));
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if (currentColor == Qt::gray)
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{
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lineName->setPen(QPen(currentColor, qApp->toPixel(qApp->widthHairLine())/factor));
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}
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else
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{
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lineName->setPen(QPen(Qt::black, qApp->toPixel(qApp->widthHairLine())/factor));
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}
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if (QLineF(p1, pRec - scenePos()).length() <= qApp->toPixel(4))
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{
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lineName->setVisible(false);
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}
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else
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{
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lineName->setVisible(true);
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief itemChange hadle item change.
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* @param change change.
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* @param value value.
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* @return value.
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*/
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QVariant VToolPoint::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value)
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{
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if (change == QGraphicsItem::ItemSelectedChange)
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{
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if (value == true)
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{
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// do stuff if selected
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this->setFocus();
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}
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else
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{
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// do stuff if not selected
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}
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}
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return QGraphicsItem::itemChange(change, value);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief keyReleaseEvent handle key release events.
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* @param event key release event.
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*/
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void VToolPoint::keyReleaseEvent(QKeyEvent *event)
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{
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switch (event->key())
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{
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case Qt::Key_Delete:
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DeleteTool(this);
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break;
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default:
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break;
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}
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QGraphicsItem::keyReleaseEvent ( event );
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}
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