e982df63c0
--HG-- branch : develop
181 lines
6.1 KiB
C++
181 lines
6.1 KiB
C++
/************************************************************************
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**
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** @file
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 14 6, 2017
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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) 2017 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 "vscenepoint.h"
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#include "../vmisc/def.h"
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#include "../vgeometry/vpointf.h"
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#include "global.h"
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#include "vgraphicssimpletextitem.h"
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#include <QBrush>
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#include <QFont>
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#include <QPen>
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//---------------------------------------------------------------------------------------------------------------------
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VScenePoint::VScenePoint(QGraphicsItem *parent)
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: QGraphicsEllipseItem(parent),
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m_namePoint(nullptr),
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m_lineName(nullptr),
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m_onlyPoint(false),
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m_isHovered(false),
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m_baseColor(Qt::black)
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{
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m_namePoint = new VGraphicsSimpleTextItem(this);
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m_lineName = new QGraphicsLineItem(this);
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this->setBrush(QBrush(Qt::NoBrush));
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this->setAcceptHoverEvents(true);
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this->setFlag(QGraphicsItem::ItemIsFocusable, true);// For keyboard input focus
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VScenePoint::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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const qreal scale = SceneScale(scene());
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if (m_namePoint->BaseFontSize()*scale < 1)
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{
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m_namePoint->setVisible(false);
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m_lineName->setVisible(false);
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}
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else
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{
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ScaleMainPenWidth(scale);
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ScaleCircleSize(this, scale);
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if (not m_onlyPoint)
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{
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m_namePoint->setVisible(true);
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m_lineName->setVisible(true);
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ScaleLinePenWidth(m_lineName, scale);
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RefreshLine();
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}
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}
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QGraphicsEllipseItem::paint(painter, option, widget);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VScenePoint::RefreshPointGeometry(const VPointF &point)
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{
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setFlag(QGraphicsItem::ItemSendsGeometryChanges, false);
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setPos(static_cast<QPointF>(point));
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setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
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m_namePoint->blockSignals(true);
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m_namePoint->setText(point.name());
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m_namePoint->setPos(QPointF(point.mx(), point.my()));
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m_namePoint->blockSignals(false);
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RefreshLine();
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}
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//---------------------------------------------------------------------------------------------------------------------
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QRectF VScenePoint::boundingRect() const
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{
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QRectF recTool = QGraphicsEllipseItem::boundingRect();
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recTool = recTool.united(childrenBoundingRect());
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return recTool;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VScenePoint::SetOnlyPoint(bool value)
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{
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m_onlyPoint = value;
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m_namePoint->setVisible(not m_onlyPoint);
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m_lineName->setVisible(not m_onlyPoint);
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}
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//---------------------------------------------------------------------------------------------------------------------
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bool VScenePoint::IsOnlyPoint() const
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{
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return m_onlyPoint;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VScenePoint::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
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{
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m_isHovered = true;
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QGraphicsEllipseItem::hoverEnterEvent(event);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VScenePoint::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
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{
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m_isHovered = false;
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QGraphicsEllipseItem::hoverLeaveEvent(event);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VScenePoint::RefreshLine()
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{
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QRectF nRec = m_namePoint->sceneBoundingRect();
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nRec.translate(- scenePos());
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if (not rect().intersects(nRec))
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{
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const QRectF nameRec = m_namePoint->sceneBoundingRect();
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QPointF p1, p2;
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VGObject::LineIntersectCircle(QPointF(), ScaledRadius(SceneScale(scene())),
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QLineF(QPointF(), nameRec.center() - scenePos()), p1, p2);
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const QPointF pRec = VGObject::LineIntersectRect(nameRec, QLineF(scenePos(), nameRec.center()));
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m_lineName->setLine(QLineF(p1, pRec - scenePos()));
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if (QLineF(p1, pRec - scenePos()).length() <= ToPixel(4, Unit::Mm))
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{
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m_lineName->setVisible(false);
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}
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else
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{
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m_lineName->setVisible(true);
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}
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}
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else
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{
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m_lineName->setVisible(false);
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VScenePoint::ScaleMainPenWidth(qreal scale)
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{
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const qreal width = ScaleWidth(m_isHovered ? widthMainLine : widthHairLine, scale);
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setPen(QPen(CorrectColor(this, m_baseColor), width));
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VScenePoint::ScaleLinePenWidth(QGraphicsLineItem *line, qreal scale)
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{
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SCASSERT(line != nullptr)
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const qreal width = ScaleWidth(widthHairLine, scale);
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line->setPen(QPen(CorrectColor(line, Qt::black), width));
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}
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