Improve user expirience. Added grainline hover.
--HG-- branch : feature
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5fbdb4f7f0
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04009746d5
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@ -68,8 +68,10 @@ VGrainlineItem::VGrainlineItem(QGraphicsItem* pParent)
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m_ptFinish(),
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m_ptCenter(),
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m_dAngle(0),
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m_eArrowType(ArrowType::atBoth)
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m_eArrowType(ArrowType::atBoth),
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m_penWidth(LINE_PEN_WIDTH)
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{
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setAcceptHoverEvents(true);
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m_inactiveZ = 5;
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Reset();
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UpdateRectangle();
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@ -85,50 +87,17 @@ VGrainlineItem::~VGrainlineItem()
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//---------------------------------------------------------------------------------------------------------------------
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QPainterPath VGrainlineItem::shape() const
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{
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QPainterPath path;
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if (m_eMode == mNormal)
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{
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QPointF pt1;
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QPointF pt2(pt1.x() + m_dLength * cos(m_dRotation), pt1.y() - m_dLength * sin(m_dRotation));
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const QLineF mainLine = MainLine();
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QPainterPath linePath;
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linePath.moveTo(mainLine.p1());
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linePath.lineTo(mainLine.p2());
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linePath.closeSubpath();
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QPainterPathStroker stroker;
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stroker.setWidth(LINE_PEN_WIDTH);
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path.addPath((stroker.createStroke(linePath) + linePath).simplified());
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path.closeSubpath();
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const qreal dArrLen = ARROW_LENGTH*GetScale();
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if (m_eArrowType != ArrowType::atRear)
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{
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// first arrow
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QPainterPath polyPath;
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polyPath.addPolygon(FirstArrow(dArrLen));
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path.addPath((stroker.createStroke(polyPath) + polyPath).simplified());
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path.closeSubpath();
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}
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if (m_eArrowType != ArrowType::atFront)
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{
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// second arrow
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QPainterPath polyPath;
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polyPath.addPolygon(SecondArrow(dArrLen));
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path.addPath((stroker.createStroke(polyPath) + polyPath).simplified());
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path.closeSubpath();
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}
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return MainShape();
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}
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else
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{
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QPainterPath path;
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path.addPolygon(m_polyBound);
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}
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return path;
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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@ -143,7 +112,7 @@ void VGrainlineItem::paint(QPainter* pP, const QStyleOptionGraphicsItem* pOption
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Q_UNUSED(pWidget)
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pP->save();
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QColor clr = Qt::black;
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pP->setPen(QPen(clr, LINE_PEN_WIDTH, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
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pP->setPen(QPen(clr, m_penWidth, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
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pP->setRenderHints(QPainter::Antialiasing);
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// line
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@ -489,6 +458,20 @@ void VGrainlineItem::mouseReleaseEvent(QGraphicsSceneMouseEvent* pME)
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VGrainlineItem::hoverEnterEvent(QGraphicsSceneHoverEvent *pME)
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{
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m_penWidth = LINE_PEN_WIDTH + 1;
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VPieceItem::hoverEnterEvent(pME);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VGrainlineItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *pME)
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{
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m_penWidth = LINE_PEN_WIDTH;
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VPieceItem::hoverLeaveEvent(pME);
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief VGrainlineItem::UpdateBox updates the item
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@ -652,3 +635,39 @@ QPolygonF VGrainlineItem::SecondArrow(qreal dArrLen) const
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pt2.y() - dArrLen*sin(M_PI + m_dRotation - ARROW_ANGLE));
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return poly;
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}
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//---------------------------------------------------------------------------------------------------------------------
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QPainterPath VGrainlineItem::MainShape() const
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{
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QPainterPath path;
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const QLineF mainLine = MainLine();
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QPainterPath linePath;
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linePath.moveTo(mainLine.p1());
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linePath.lineTo(mainLine.p2());
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linePath.closeSubpath();
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QPainterPathStroker stroker;
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stroker.setWidth(m_penWidth);
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path.addPath((stroker.createStroke(linePath) + linePath).simplified());
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path.closeSubpath();
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const qreal dArrLen = ARROW_LENGTH*GetScale();
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if (m_eArrowType != ArrowType::atRear)
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{
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// first arrow
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QPainterPath polyPath;
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polyPath.addPolygon(FirstArrow(dArrLen));
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path.addPath((stroker.createStroke(polyPath) + polyPath).simplified());
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path.closeSubpath();
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}
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if (m_eArrowType != ArrowType::atFront)
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{
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// second arrow
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QPainterPath polyPath;
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polyPath.addPolygon(SecondArrow(dArrLen));
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path.addPath((stroker.createStroke(polyPath) + polyPath).simplified());
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path.closeSubpath();
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}
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return path;
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}
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@ -54,6 +54,8 @@ protected:
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virtual void mousePressEvent(QGraphicsSceneMouseEvent* pME) Q_DECL_OVERRIDE;
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virtual void mouseMoveEvent(QGraphicsSceneMouseEvent* pME) Q_DECL_OVERRIDE;
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virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent* pME) Q_DECL_OVERRIDE;
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virtual void hoverEnterEvent(QGraphicsSceneHoverEvent* pME) Q_DECL_OVERRIDE;
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virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent* pME) Q_DECL_OVERRIDE;
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virtual void Update() Q_DECL_OVERRIDE;
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void UpdateRectangle();
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@ -76,12 +78,15 @@ private:
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QPointF m_ptCenter;
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qreal m_dAngle;
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ArrowType m_eArrowType;
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int m_penWidth;
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qreal GetScale() const;
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QLineF MainLine() const;
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QPolygonF FirstArrow(qreal dArrLen) const;
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QPolygonF SecondArrow(qreal dArrLen) const;
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QPainterPath MainShape() const;
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};
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#endif // VGRAINLINEITEM_H
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@ -117,5 +117,5 @@ VPieceItem::MoveType VPieceItem::GetMoveType() const
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void VPieceItem::SetMoveType(const MoveType &moveType)
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{
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m_moveType = moveType;
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setAcceptHoverEvents(m_moveType != NotMovable);
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}
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