HG_REPOSITORIES/LPP/SciQLOP_Repos/SciQLop Files · gui/src/Visualization/VisualizationSelectionZoneItem.cpp

Selection of stacked zone via a dialog box

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             VisualizationSelectionZoneItem.cpp
        
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        trabillard
    
Display of selection zones on a graph

              r1044
            
      #include "Visualization/VisualizationSelectionZoneItem.h"

        trabillard
    
Action "Remove Selected Zones"

              r1079
            
      #include "Visualization/VisualizationGraphWidget.h"

        trabillard
    
Multi selection improvements

              r1084
            
      #include "Visualization/VisualizationSelectionZoneManager.h"

      #include "Visualization/VisualizationWidget.h"

        trabillard
    
Display of selection zones on a graph

              r1044
            
        trabillard
    
multi selection of zones

              r1049
            
      const QString &DEFAULT_COLOR = QStringLiteral("#E79D41");

        trabillard
    
Display of selection zones on a graph

              r1044
            
      struct VisualizationSelectionZoneItem::VisualizationSelectionZoneItemPrivate {

          QCustomPlot *m_Plot;

          double m_T1 = 0;

          double m_T2 = 0;

          QColor m_Color;

          bool m_IsEditionEnabled = true;

          double m_MovedOrinalT1 = 0;

          double m_MovedOrinalT2 = 0;

          QCPItemStraightLine *m_LeftLine;

          QCPItemStraightLine *m_RightLine;

          QCPItemText *m_NameLabelItem = nullptr;

          enum class EditionMode { NoEdition, ResizeLeft, ResizeRight, Move };

          EditionMode m_CurrentEditionMode;

        trabillard
    
Resize and move of multiple zones together

              r1050
            
          QVector<VisualizationSelectionZoneItem *> m_AssociatedEditedZones;

        trabillard
    
Display of selection zones on a graph

              r1044
            
          VisualizationSelectionZoneItemPrivate(QCustomPlot *plot)

                  : m_Plot(plot), m_Color(Qt::blue), m_CurrentEditionMode(EditionMode::NoEdition)

          {

          }

          void updatePosition(VisualizationSelectionZoneItem *item)

          {

              item->topLeft->setCoords(m_T1, 0);

              item->bottomRight->setCoords(m_T2, 1);

          }

          EditionMode getEditionMode(const QPoint &pos, const VisualizationSelectionZoneItem *zoneItem)

          {

              auto distanceLeft = m_LeftLine->selectTest(pos, false);

              auto distanceRight = m_RightLine->selectTest(pos, false);

        trabillard
    
drag of selection zones

              r1047
            
              auto distance = zoneItem->selectTest(pos, false);

        trabillard
    
Display of selection zones on a graph

              r1044
            
              if (distanceRight <= distance) {

                  return VisualizationSelectionZoneItemPrivate::EditionMode::ResizeRight;

              }

              else if (distanceLeft <= distance) {

                  return VisualizationSelectionZoneItemPrivate::EditionMode::ResizeLeft;

              }

              return VisualizationSelectionZoneItemPrivate::EditionMode::Move;

          }

        trabillard
    
Resize and move of multiple zones together

              r1050
            
          double pixelSizeToAxisXSize(double pixels)

          {

              auto axis = m_Plot->axisRect()->axis(QCPAxis::atBottom);

              return axis->pixelToCoord(pixels) - axis->pixelToCoord(0);

          }

        trabillard
    
Alignment actions for zone selections

              r1081
            
          bool alignZones(VisualizationSelectionZoneItem *referenceZone,

                          const QVector<VisualizationSelectionZoneItem *> &zonesToAlign, bool alignOnLeft,

                          bool allowResize, bool vertically)

          {

              auto result = false;

              auto referenceTime

                  = alignOnLeft ? referenceZone->range().m_TStart : referenceZone->range().m_TEnd;

              auto referenceBottomAxis = m_Plot->axisRect()->axis(QCPAxis::atBottom);

              auto referenceVerticalPosition = referenceBottomAxis->coordToPixel(referenceTime);

              for (auto otherZone : zonesToAlign) {

                  auto otherZoneRange = otherZone->range();

                  auto newZoneStart = otherZoneRange.m_TStart;

                  auto newZoneEnd = otherZoneRange.m_TEnd;

                  auto alignedTime = referenceTime;

                  if (vertically) {

                      auto otherZoneAxis = otherZone->parentPlot()->axisRect()->axis(QCPAxis::atBottom);

                      alignedTime = otherZoneAxis->pixelToCoord(referenceVerticalPosition);

                  }

                  if (alignOnLeft) {

                      newZoneStart = alignedTime;

                      if (!allowResize) {

                          newZoneEnd = alignedTime + (otherZoneRange.m_TEnd - otherZoneRange.m_TStart);

                      }

                  }

                  else { // align on right

                      newZoneEnd = alignedTime;

                      if (!allowResize) {

                          newZoneStart = alignedTime - (otherZoneRange.m_TEnd - otherZoneRange.m_TStart);

                      }

                  }

                  if (newZoneStart < newZoneEnd) {

                      result = true;

                      otherZone->setRange(newZoneStart, newZoneEnd);

                      otherZone->parentPlot()->replot();

                  }

              }

              return result;

          }

        trabillard
    
Display of selection zones on a graph

              r1044
            
      };

      VisualizationSelectionZoneItem::VisualizationSelectionZoneItem(QCustomPlot *plot)

              : QCPItemRect(plot),

                impl{spimpl::make_unique_impl<VisualizationSelectionZoneItemPrivate>(plot)}

      {

          topLeft->setTypeX(QCPItemPosition::ptPlotCoords);

          topLeft->setTypeY(QCPItemPosition::ptAxisRectRatio);

          bottomRight->setTypeX(QCPItemPosition::ptPlotCoords);

          bottomRight->setTypeY(QCPItemPosition::ptAxisRectRatio);

        trabillard
    
multi selection of zones

              r1049
            
          setSelectable(false);

        trabillard
    
Display of selection zones on a graph

              r1044
            
          impl->m_RightLine = new QCPItemStraightLine(plot);

          impl->m_RightLine->point1->setParentAnchor(topRight);

          impl->m_RightLine->point2->setParentAnchor(bottomRight);

          impl->m_RightLine->point1->setTypeX(QCPItemPosition::ptAbsolute);

          impl->m_RightLine->point1->setTypeY(QCPItemPosition::ptAbsolute);

          impl->m_RightLine->point2->setTypeX(QCPItemPosition::ptAbsolute);

          impl->m_RightLine->point2->setTypeY(QCPItemPosition::ptAbsolute);

        trabillard
    
multi selection of zones

              r1049
            
          impl->m_RightLine->setSelectable(false);

        trabillard
    
Display of selection zones on a graph

              r1044
            
          impl->m_LeftLine = new QCPItemStraightLine(plot);

          impl->m_LeftLine->point1->setParentAnchor(topLeft);

          impl->m_LeftLine->point2->setParentAnchor(bottomLeft);

          impl->m_LeftLine->point1->setTypeX(QCPItemPosition::ptAbsolute);

          impl->m_LeftLine->point1->setTypeY(QCPItemPosition::ptAbsolute);

          impl->m_LeftLine->point2->setTypeX(QCPItemPosition::ptAbsolute);

          impl->m_LeftLine->point2->setTypeY(QCPItemPosition::ptAbsolute);

          impl->m_LeftLine->setSelectable(false);

        trabillard
    
Improves display of selected zones

              r1051
            
          connect(this, &VisualizationSelectionZoneItem::selectionChanged, impl->m_RightLine,

                  &QCPItemStraightLine::setSelected);

          connect(this, &VisualizationSelectionZoneItem::selectionChanged, impl->m_LeftLine,

                  &QCPItemStraightLine::setSelected);

        trabillard
    
multi selection of zones

              r1049
            
          setColor(QColor(DEFAULT_COLOR));

        trabillard
    
Display of selection zones on a graph

              r1044
            
      }

      VisualizationSelectionZoneItem::~VisualizationSelectionZoneItem()

      {

          impl->m_Plot->removeItem(impl->m_RightLine);

          impl->m_Plot->removeItem(impl->m_LeftLine);

      }

        trabillard
    
Action "Remove Selected Zones"

              r1079
            
      VisualizationGraphWidget *VisualizationSelectionZoneItem::parentGraphWidget() const noexcept

      {

          auto parent = impl->m_Plot->parentWidget();

          while (parent != nullptr && !qobject_cast<VisualizationGraphWidget *>(parent)) {

              parent = parent->parentWidget();

          }

          return qobject_cast<VisualizationGraphWidget *>(parent);

      }

        trabillard
    
Display of selection zones on a graph

              r1044
            
      void VisualizationSelectionZoneItem::setName(const QString &name)

      {

          if (name.isEmpty() && impl->m_NameLabelItem) {

              impl->m_Plot->removeItem(impl->m_NameLabelItem);

              impl->m_NameLabelItem = nullptr;

          }

          else if (!impl->m_NameLabelItem) {

              impl->m_NameLabelItem = new QCPItemText(impl->m_Plot);

              impl->m_NameLabelItem->setText(name);

              impl->m_NameLabelItem->setPositionAlignment(Qt::AlignHCenter | Qt::AlignTop);

              impl->m_NameLabelItem->setColor(impl->m_Color);

              impl->m_NameLabelItem->position->setParentAnchor(top);

          }

      }

      QString VisualizationSelectionZoneItem::name() const

      {

          if (!impl->m_NameLabelItem) {

              return QString();

          }

          return impl->m_NameLabelItem->text();

      }

      SqpRange VisualizationSelectionZoneItem::range() const

      {

          SqpRange range;

          range.m_TStart = impl->m_T1 <= impl->m_T2 ? impl->m_T1 : impl->m_T2;

          range.m_TEnd = impl->m_T1 > impl->m_T2 ? impl->m_T1 : impl->m_T2;

          return range;

      }

      void VisualizationSelectionZoneItem::setRange(double tstart, double tend)

      {

          impl->m_T1 = tstart;

          impl->m_T2 = tend;

          impl->updatePosition(this);

      }

      void VisualizationSelectionZoneItem::setStart(double tstart)

      {

          impl->m_T1 = tstart;

          impl->updatePosition(this);

      }

      void VisualizationSelectionZoneItem::setEnd(double tend)

      {

          impl->m_T2 = tend;

          impl->updatePosition(this);

      }

      void VisualizationSelectionZoneItem::setColor(const QColor &color)

      {

          impl->m_Color = color;

          auto brushColor = color;

        trabillard
    
Improves display of selected zones

              r1051
            
          brushColor.setAlpha(80);

        trabillard
    
Display of selection zones on a graph

              r1044
            
          setBrush(QBrush(brushColor));

          setPen(QPen(Qt::NoPen));

          auto selectedBrushColor = brushColor;

        trabillard
    
Improves display of selected zones

              r1051
            
          selectedBrushColor.setAlpha(150);

        trabillard
    
Display of selection zones on a graph

              r1044
            
          setSelectedBrush(QBrush(selectedBrushColor));

          setSelectedPen(QPen(Qt::NoPen));

          auto linePen = QPen(color);

          linePen.setStyle(Qt::SolidLine);

        trabillard
    
Improves display of selected zones

              r1051
            
          linePen.setWidth(4);

        trabillard
    
Display of selection zones on a graph

              r1044
            
          auto selectedLinePen = linePen;

        trabillard
    
Improves display of selected zones

              r1051
            
          selectedLinePen.setColor(color.darker(120));

          selectedLinePen.setWidth(4);

        trabillard
    
Display of selection zones on a graph

              r1044
            
          impl->m_LeftLine->setPen(linePen);

          impl->m_RightLine->setPen(linePen);

          impl->m_LeftLine->setSelectedPen(selectedLinePen);

          impl->m_RightLine->setSelectedPen(selectedLinePen);

      }

      void VisualizationSelectionZoneItem::setEditionEnabled(bool value)

      {

          impl->m_IsEditionEnabled = value;

          setSelectable(value);

          if (!value) {

              setSelected(false);

        trabillard
    
drag of selection zones

              r1047
            
              impl->m_CurrentEditionMode = VisualizationSelectionZoneItemPrivate::EditionMode::NoEdition;

        trabillard
    
Display of selection zones on a graph

              r1044
            
          }

      }

      bool VisualizationSelectionZoneItem::isEditionEnabled() const

      {

          return impl->m_IsEditionEnabled;

      }

        trabillard
    
Selection of stacked zone via a dialog box

              r1085
            
      void VisualizationSelectionZoneItem::moveToTop()

      {

          moveToLayer(layer(), false);

      }

        trabillard
    
Display of selection zones on a graph

              r1044
            
      Qt::CursorShape

      VisualizationSelectionZoneItem::curshorShapeForPosition(const QPoint &position) const

      {

          auto mode = impl->m_CurrentEditionMode

                              == VisualizationSelectionZoneItemPrivate::EditionMode::NoEdition

                          ? impl->getEditionMode(position, this)

                          : impl->m_CurrentEditionMode;

          switch (mode) {

              case VisualizationSelectionZoneItemPrivate::EditionMode::Move:

                  return Qt::SizeAllCursor;

              case VisualizationSelectionZoneItemPrivate::EditionMode::ResizeLeft:

              case VisualizationSelectionZoneItemPrivate::EditionMode::ResizeRight: // fallthrough

                  return Qt::SizeHorCursor;

              default:

                  return Qt::ArrowCursor;

          }

      }

      void VisualizationSelectionZoneItem::setHovered(bool value)

      {

          if (value) {

              auto linePen = impl->m_LeftLine->pen();

              linePen.setStyle(Qt::DotLine);

              linePen.setWidth(3);

              auto selectedLinePen = impl->m_LeftLine->selectedPen();

              ;

              selectedLinePen.setStyle(Qt::DotLine);

              selectedLinePen.setWidth(3);

              impl->m_LeftLine->setPen(linePen);

              impl->m_RightLine->setPen(linePen);

              impl->m_LeftLine->setSelectedPen(selectedLinePen);

              impl->m_RightLine->setSelectedPen(selectedLinePen);

          }

          else {

              setColor(impl->m_Color);

          }

      }

        trabillard
    
Resize and move of multiple zones together

              r1050
            
      void VisualizationSelectionZoneItem::setAssociatedEditedZones(

          const QVector<VisualizationSelectionZoneItem *> &associatedZones)

      {

          impl->m_AssociatedEditedZones = associatedZones;

          impl->m_AssociatedEditedZones.removeAll(this);

      }

        trabillard
    
Alignment actions for zone selections

              r1081
            
      bool VisualizationSelectionZoneItem::alignZonesVerticallyOnLeft(

          const QVector<VisualizationSelectionZoneItem *> &zonesToAlign, bool allowResize)

      {

          return impl->alignZones(this, zonesToAlign, true, allowResize, true);

      }

      bool VisualizationSelectionZoneItem::alignZonesVerticallyOnRight(

          const QVector<VisualizationSelectionZoneItem *> &zonesToAlign, bool allowResize)

      {

          return impl->alignZones(this, zonesToAlign, false, allowResize, true);

      }

      bool VisualizationSelectionZoneItem::alignZonesTemporallyOnLeft(

          const QVector<VisualizationSelectionZoneItem *> &zonesToAlign, bool allowResize)

      {

          return impl->alignZones(this, zonesToAlign, true, allowResize, false);

      }

      bool VisualizationSelectionZoneItem::alignZonesTemporallyOnRight(

          const QVector<VisualizationSelectionZoneItem *> &zonesToAlign, bool allowResize)

      {

          return impl->alignZones(this, zonesToAlign, false, allowResize, false);

      }

        trabillard
    
Display of selection zones on a graph

              r1044
            
      void VisualizationSelectionZoneItem::mousePressEvent(QMouseEvent *event, const QVariant &details)

      {

        trabillard
    
Selection of stacked zone via a dialog box

              r1085
            
          Q_UNUSED(details);

        trabillard
    
multi selection of zones

              r1049
            
          if (isEditionEnabled() && event->button() == Qt::LeftButton) {

        trabillard
    
Display of selection zones on a graph

              r1044
            
              impl->m_CurrentEditionMode = impl->getEditionMode(event->pos(), this);

              impl->m_MovedOrinalT1 = impl->m_T1;

              impl->m_MovedOrinalT2 = impl->m_T2;

        trabillard
    
Resize and move of multiple zones together

              r1050
            
              for (auto associatedZone : impl->m_AssociatedEditedZones) {

                  associatedZone->impl->m_MovedOrinalT1 = associatedZone->impl->m_T1;

                  associatedZone->impl->m_MovedOrinalT2 = associatedZone->impl->m_T2;

              }

        trabillard
    
Display of selection zones on a graph

              r1044
            
          }

          else {

        trabillard
    
multi selection of zones

              r1049
            
              impl->m_CurrentEditionMode = VisualizationSelectionZoneItemPrivate::EditionMode::NoEdition;

        trabillard
    
Display of selection zones on a graph

              r1044
            
              event->ignore();

          }

      }

      void VisualizationSelectionZoneItem::mouseMoveEvent(QMouseEvent *event, const QPointF &startPos)

      {

          if (isEditionEnabled()) {

        trabillard
    
Multi selection improvements

              r1084
            
              if (!selected()) {

                  // Force the item to be selected during the edition

                  parentGraphWidget()->parentVisualizationWidget()->selectionZoneManager().setSelected(

                      this, true);

              }

        trabillard
    
Display of selection zones on a graph

              r1044
            
              auto axis = impl->m_Plot->axisRect()->axis(QCPAxis::atBottom);

        trabillard
    
Resize and move of multiple zones together

              r1050
            
              auto pixelDiff = event->pos().x() - startPos.x();

              auto diff = impl->pixelSizeToAxisXSize(pixelDiff);

        trabillard
    
Display of selection zones on a graph

              r1044
            
              switch (impl->m_CurrentEditionMode) {

                  case VisualizationSelectionZoneItemPrivate::EditionMode::Move:

                      setRange(impl->m_MovedOrinalT1 + diff, impl->m_MovedOrinalT2 + diff);

        trabillard
    
Resize and move of multiple zones together

              r1050
            
                      for (auto associatedZone : impl->m_AssociatedEditedZones) {

                          associatedZone->move(pixelDiff);

                      }

        trabillard
    
Display of selection zones on a graph

              r1044
            
                      break;

                  case VisualizationSelectionZoneItemPrivate::EditionMode::ResizeLeft:

                      setStart(impl->m_MovedOrinalT1 + diff);

        trabillard
    
Resize and move of multiple zones together

              r1050
            
                      for (auto associatedZone : impl->m_AssociatedEditedZones) {

                          impl->m_MovedOrinalT1 < impl->m_MovedOrinalT2

                              ? associatedZone->resizeLeft(pixelDiff)

                              : associatedZone->resizeRight(pixelDiff);

                      }

        trabillard
    
Display of selection zones on a graph

              r1044
            
                      break;

                  case VisualizationSelectionZoneItemPrivate::EditionMode::ResizeRight:

                      setEnd(impl->m_MovedOrinalT2 + diff);

        trabillard
    
Resize and move of multiple zones together

              r1050
            
                      for (auto associatedZone : impl->m_AssociatedEditedZones) {

                          impl->m_MovedOrinalT1 < impl->m_MovedOrinalT2

                              ? associatedZone->resizeRight(pixelDiff)

                              : associatedZone->resizeLeft(pixelDiff);

                      }

        trabillard
    
Display of selection zones on a graph

              r1044
            
                      break;

        trabillard
    
multi selection of zones

              r1049
            
                  default:

                      break;

        trabillard
    
Display of selection zones on a graph

              r1044
            
              }

        trabillard
    
Resize and move of multiple zones together

              r1050
            
              for (auto associatedZone : impl->m_AssociatedEditedZones) {

                  associatedZone->parentPlot()->replot();

              }

        trabillard
    
Display of selection zones on a graph

              r1044
            
          }

          else {

              event->ignore();

          }

      }

      void VisualizationSelectionZoneItem::mouseReleaseEvent(QMouseEvent *event, const QPointF &startPos)

      {

        trabillard
    
Selection of stacked zone via a dialog box

              r1085
            
          Q_UNUSED(startPos);

        trabillard
    
Display of selection zones on a graph

              r1044
            
          if (isEditionEnabled()) {

              impl->m_CurrentEditionMode = VisualizationSelectionZoneItemPrivate::EditionMode::NoEdition;

          }

          else {

              event->ignore();

          }

        trabillard
    
Resize and move of multiple zones together

              r1050
            
          impl->m_AssociatedEditedZones.clear();

      }

      void VisualizationSelectionZoneItem::resizeLeft(double pixelDiff)

      {

          auto diff = impl->pixelSizeToAxisXSize(pixelDiff);

          if (impl->m_MovedOrinalT1 <= impl->m_MovedOrinalT2) {

              setStart(impl->m_MovedOrinalT1 + diff);

          }

          else {

              setEnd(impl->m_MovedOrinalT2 + diff);

          }

      }

      void VisualizationSelectionZoneItem::resizeRight(double pixelDiff)

      {

          auto diff = impl->pixelSizeToAxisXSize(pixelDiff);

          if (impl->m_MovedOrinalT1 > impl->m_MovedOrinalT2) {

              setStart(impl->m_MovedOrinalT1 + diff);

          }

          else {

              setEnd(impl->m_MovedOrinalT2 + diff);

          }

      }

      void VisualizationSelectionZoneItem::move(double pixelDiff)

      {

          auto diff = impl->pixelSizeToAxisXSize(pixelDiff);

          setRange(impl->m_MovedOrinalT1 + diff, impl->m_MovedOrinalT2 + diff);

        trabillard
    
Display of selection zones on a graph

              r1044
            
      }

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trabillard Display of selection zones on a graph	r1044	#include "Visualization/VisualizationSelectionZoneItem.h"
trabillard Action "Remove Selected Zones"	r1079	#include "Visualization/VisualizationGraphWidget.h"
trabillard Multi selection improvements	r1084	#include "Visualization/VisualizationSelectionZoneManager.h"
		#include "Visualization/VisualizationWidget.h"
trabillard Display of selection zones on a graph	r1044
trabillard multi selection of zones	r1049	const QString &DEFAULT_COLOR = QStringLiteral("#E79D41");

trabillard Display of selection zones on a graph	r1044	struct VisualizationSelectionZoneItem::VisualizationSelectionZoneItemPrivate {

		QCustomPlot *m_Plot;
		double m_T1 = 0;
		double m_T2 = 0;
		QColor m_Color;

		bool m_IsEditionEnabled = true;
		double m_MovedOrinalT1 = 0;
		double m_MovedOrinalT2 = 0;

		QCPItemStraightLine *m_LeftLine;
		QCPItemStraightLine *m_RightLine;
		QCPItemText *m_NameLabelItem = nullptr;

		enum class EditionMode { NoEdition, ResizeLeft, ResizeRight, Move };
		EditionMode m_CurrentEditionMode;

trabillard Resize and move of multiple zones together	r1050	QVector<VisualizationSelectionZoneItem *> m_AssociatedEditedZones;

trabillard Display of selection zones on a graph	r1044	VisualizationSelectionZoneItemPrivate(QCustomPlot *plot)
		: m_Plot(plot), m_Color(Qt::blue), m_CurrentEditionMode(EditionMode::NoEdition)
		{
		}

		void updatePosition(VisualizationSelectionZoneItem *item)
		{
		item->topLeft->setCoords(m_T1, 0);
		item->bottomRight->setCoords(m_T2, 1);
		}

		EditionMode getEditionMode(const QPoint &pos, const VisualizationSelectionZoneItem *zoneItem)
		{
		auto distanceLeft = m_LeftLine->selectTest(pos, false);
		auto distanceRight = m_RightLine->selectTest(pos, false);
trabillard drag of selection zones	r1047	auto distance = zoneItem->selectTest(pos, false);
trabillard Display of selection zones on a graph	r1044
		if (distanceRight <= distance) {
		return VisualizationSelectionZoneItemPrivate::EditionMode::ResizeRight;
		}
		else if (distanceLeft <= distance) {
		return VisualizationSelectionZoneItemPrivate::EditionMode::ResizeLeft;
		}

		return VisualizationSelectionZoneItemPrivate::EditionMode::Move;
		}
trabillard Resize and move of multiple zones together	r1050
		double pixelSizeToAxisXSize(double pixels)
		{
		auto axis = m_Plot->axisRect()->axis(QCPAxis::atBottom);
		return axis->pixelToCoord(pixels) - axis->pixelToCoord(0);
		}
trabillard Alignment actions for zone selections	r1081
		bool alignZones(VisualizationSelectionZoneItem *referenceZone,
		const QVector<VisualizationSelectionZoneItem *> &zonesToAlign, bool alignOnLeft,
		bool allowResize, bool vertically)
		{
		auto result = false;

		auto referenceTime
		= alignOnLeft ? referenceZone->range().m_TStart : referenceZone->range().m_TEnd;

		auto referenceBottomAxis = m_Plot->axisRect()->axis(QCPAxis::atBottom);
		auto referenceVerticalPosition = referenceBottomAxis->coordToPixel(referenceTime);

		for (auto otherZone : zonesToAlign) {

		auto otherZoneRange = otherZone->range();
		auto newZoneStart = otherZoneRange.m_TStart;
		auto newZoneEnd = otherZoneRange.m_TEnd;

		auto alignedTime = referenceTime;
		if (vertically) {
		auto otherZoneAxis = otherZone->parentPlot()->axisRect()->axis(QCPAxis::atBottom);
		alignedTime = otherZoneAxis->pixelToCoord(referenceVerticalPosition);
		}

		if (alignOnLeft) {
		newZoneStart = alignedTime;
		if (!allowResize) {
		newZoneEnd = alignedTime + (otherZoneRange.m_TEnd - otherZoneRange.m_TStart);
		}
		}
		else { // align on right
		newZoneEnd = alignedTime;
		if (!allowResize) {
		newZoneStart = alignedTime - (otherZoneRange.m_TEnd - otherZoneRange.m_TStart);
		}
		}

		if (newZoneStart < newZoneEnd) {
		result = true;
		otherZone->setRange(newZoneStart, newZoneEnd);
		otherZone->parentPlot()->replot();
		}
		}

		return result;
		}
trabillard Display of selection zones on a graph	r1044	};

		VisualizationSelectionZoneItem::VisualizationSelectionZoneItem(QCustomPlot *plot)
		: QCPItemRect(plot),
		impl{spimpl::make_unique_impl<VisualizationSelectionZoneItemPrivate>(plot)}
		{
		topLeft->setTypeX(QCPItemPosition::ptPlotCoords);
		topLeft->setTypeY(QCPItemPosition::ptAxisRectRatio);
		bottomRight->setTypeX(QCPItemPosition::ptPlotCoords);
		bottomRight->setTypeY(QCPItemPosition::ptAxisRectRatio);
trabillard multi selection of zones	r1049	setSelectable(false);
trabillard Display of selection zones on a graph	r1044
		impl->m_RightLine = new QCPItemStraightLine(plot);
		impl->m_RightLine->point1->setParentAnchor(topRight);
		impl->m_RightLine->point2->setParentAnchor(bottomRight);
		impl->m_RightLine->point1->setTypeX(QCPItemPosition::ptAbsolute);
		impl->m_RightLine->point1->setTypeY(QCPItemPosition::ptAbsolute);
		impl->m_RightLine->point2->setTypeX(QCPItemPosition::ptAbsolute);
		impl->m_RightLine->point2->setTypeY(QCPItemPosition::ptAbsolute);
trabillard multi selection of zones	r1049	impl->m_RightLine->setSelectable(false);
trabillard Display of selection zones on a graph	r1044
		impl->m_LeftLine = new QCPItemStraightLine(plot);
		impl->m_LeftLine->point1->setParentAnchor(topLeft);
		impl->m_LeftLine->point2->setParentAnchor(bottomLeft);
		impl->m_LeftLine->point1->setTypeX(QCPItemPosition::ptAbsolute);
		impl->m_LeftLine->point1->setTypeY(QCPItemPosition::ptAbsolute);
		impl->m_LeftLine->point2->setTypeX(QCPItemPosition::ptAbsolute);
		impl->m_LeftLine->point2->setTypeY(QCPItemPosition::ptAbsolute);
		impl->m_LeftLine->setSelectable(false);

trabillard Improves display of selected zones	r1051	connect(this, &VisualizationSelectionZoneItem::selectionChanged, impl->m_RightLine,
		&QCPItemStraightLine::setSelected);
		connect(this, &VisualizationSelectionZoneItem::selectionChanged, impl->m_LeftLine,
		&QCPItemStraightLine::setSelected);

trabillard multi selection of zones	r1049	setColor(QColor(DEFAULT_COLOR));
trabillard Display of selection zones on a graph	r1044	}

		VisualizationSelectionZoneItem::~VisualizationSelectionZoneItem()
		{
		impl->m_Plot->removeItem(impl->m_RightLine);
		impl->m_Plot->removeItem(impl->m_LeftLine);
		}

trabillard Action "Remove Selected Zones"	r1079	VisualizationGraphWidget *VisualizationSelectionZoneItem::parentGraphWidget() const noexcept
		{
		auto parent = impl->m_Plot->parentWidget();
		while (parent != nullptr && !qobject_cast<VisualizationGraphWidget *>(parent)) {
		parent = parent->parentWidget();
		}

		return qobject_cast<VisualizationGraphWidget *>(parent);
		}

trabillard Display of selection zones on a graph	r1044	void VisualizationSelectionZoneItem::setName(const QString &name)
		{
		if (name.isEmpty() && impl->m_NameLabelItem) {
		impl->m_Plot->removeItem(impl->m_NameLabelItem);
		impl->m_NameLabelItem = nullptr;
		}
		else if (!impl->m_NameLabelItem) {
		impl->m_NameLabelItem = new QCPItemText(impl->m_Plot);
		impl->m_NameLabelItem->setText(name);
		impl->m_NameLabelItem->setPositionAlignment(Qt::AlignHCenter \| Qt::AlignTop);
		impl->m_NameLabelItem->setColor(impl->m_Color);
		impl->m_NameLabelItem->position->setParentAnchor(top);
		}
		}

		QString VisualizationSelectionZoneItem::name() const
		{
		if (!impl->m_NameLabelItem) {
		return QString();
		}

		return impl->m_NameLabelItem->text();
		}

		SqpRange VisualizationSelectionZoneItem::range() const
		{
		SqpRange range;
		range.m_TStart = impl->m_T1 <= impl->m_T2 ? impl->m_T1 : impl->m_T2;
		range.m_TEnd = impl->m_T1 > impl->m_T2 ? impl->m_T1 : impl->m_T2;
		return range;
		}

		void VisualizationSelectionZoneItem::setRange(double tstart, double tend)
		{
		impl->m_T1 = tstart;
		impl->m_T2 = tend;
		impl->updatePosition(this);
		}

		void VisualizationSelectionZoneItem::setStart(double tstart)
		{
		impl->m_T1 = tstart;
		impl->updatePosition(this);
		}

		void VisualizationSelectionZoneItem::setEnd(double tend)
		{
		impl->m_T2 = tend;
		impl->updatePosition(this);
		}

		void VisualizationSelectionZoneItem::setColor(const QColor &color)
		{
		impl->m_Color = color;

		auto brushColor = color;
trabillard Improves display of selected zones	r1051	brushColor.setAlpha(80);
trabillard Display of selection zones on a graph	r1044	setBrush(QBrush(brushColor));
		setPen(QPen(Qt::NoPen));

		auto selectedBrushColor = brushColor;
trabillard Improves display of selected zones	r1051	selectedBrushColor.setAlpha(150);
trabillard Display of selection zones on a graph	r1044	setSelectedBrush(QBrush(selectedBrushColor));
		setSelectedPen(QPen(Qt::NoPen));

		auto linePen = QPen(color);
		linePen.setStyle(Qt::SolidLine);
trabillard Improves display of selected zones	r1051	linePen.setWidth(4);
trabillard Display of selection zones on a graph	r1044
		auto selectedLinePen = linePen;
trabillard Improves display of selected zones	r1051	selectedLinePen.setColor(color.darker(120));
		selectedLinePen.setWidth(4);
trabillard Display of selection zones on a graph	r1044
		impl->m_LeftLine->setPen(linePen);
		impl->m_RightLine->setPen(linePen);

		impl->m_LeftLine->setSelectedPen(selectedLinePen);
		impl->m_RightLine->setSelectedPen(selectedLinePen);
		}

		void VisualizationSelectionZoneItem::setEditionEnabled(bool value)
		{
		impl->m_IsEditionEnabled = value;
		setSelectable(value);
		if (!value) {
		setSelected(false);
trabillard drag of selection zones	r1047	impl->m_CurrentEditionMode = VisualizationSelectionZoneItemPrivate::EditionMode::NoEdition;
trabillard Display of selection zones on a graph	r1044	}
		}

		bool VisualizationSelectionZoneItem::isEditionEnabled() const
		{
		return impl->m_IsEditionEnabled;
		}

trabillard Selection of stacked zone via a dialog box	r1085	void VisualizationSelectionZoneItem::moveToTop()
		{
		moveToLayer(layer(), false);
		}

trabillard Display of selection zones on a graph	r1044	Qt::CursorShape
		VisualizationSelectionZoneItem::curshorShapeForPosition(const QPoint &position) const
		{
		auto mode = impl->m_CurrentEditionMode
		== VisualizationSelectionZoneItemPrivate::EditionMode::NoEdition
		? impl->getEditionMode(position, this)
		: impl->m_CurrentEditionMode;
		switch (mode) {
		case VisualizationSelectionZoneItemPrivate::EditionMode::Move:
		return Qt::SizeAllCursor;
		case VisualizationSelectionZoneItemPrivate::EditionMode::ResizeLeft:
		case VisualizationSelectionZoneItemPrivate::EditionMode::ResizeRight: // fallthrough
		return Qt::SizeHorCursor;
		default:
		return Qt::ArrowCursor;
		}
		}

		void VisualizationSelectionZoneItem::setHovered(bool value)
		{
		if (value) {
		auto linePen = impl->m_LeftLine->pen();
		linePen.setStyle(Qt::DotLine);
		linePen.setWidth(3);

		auto selectedLinePen = impl->m_LeftLine->selectedPen();
		;
		selectedLinePen.setStyle(Qt::DotLine);
		selectedLinePen.setWidth(3);

		impl->m_LeftLine->setPen(linePen);
		impl->m_RightLine->setPen(linePen);

		impl->m_LeftLine->setSelectedPen(selectedLinePen);
		impl->m_RightLine->setSelectedPen(selectedLinePen);
		}
		else {
		setColor(impl->m_Color);
		}
		}

trabillard Resize and move of multiple zones together	r1050	void VisualizationSelectionZoneItem::setAssociatedEditedZones(
		const QVector<VisualizationSelectionZoneItem *> &associatedZones)
		{
		impl->m_AssociatedEditedZones = associatedZones;
		impl->m_AssociatedEditedZones.removeAll(this);
		}

trabillard Alignment actions for zone selections	r1081	bool VisualizationSelectionZoneItem::alignZonesVerticallyOnLeft(
		const QVector<VisualizationSelectionZoneItem *> &zonesToAlign, bool allowResize)
		{
		return impl->alignZones(this, zonesToAlign, true, allowResize, true);
		}

		bool VisualizationSelectionZoneItem::alignZonesVerticallyOnRight(
		const QVector<VisualizationSelectionZoneItem *> &zonesToAlign, bool allowResize)
		{
		return impl->alignZones(this, zonesToAlign, false, allowResize, true);
		}

		bool VisualizationSelectionZoneItem::alignZonesTemporallyOnLeft(
		const QVector<VisualizationSelectionZoneItem *> &zonesToAlign, bool allowResize)
		{
		return impl->alignZones(this, zonesToAlign, true, allowResize, false);
		}

		bool VisualizationSelectionZoneItem::alignZonesTemporallyOnRight(
		const QVector<VisualizationSelectionZoneItem *> &zonesToAlign, bool allowResize)
		{
		return impl->alignZones(this, zonesToAlign, false, allowResize, false);
		}

trabillard Display of selection zones on a graph	r1044	void VisualizationSelectionZoneItem::mousePressEvent(QMouseEvent *event, const QVariant &details)
		{
trabillard Selection of stacked zone via a dialog box	r1085	Q_UNUSED(details);

trabillard multi selection of zones	r1049	if (isEditionEnabled() && event->button() == Qt::LeftButton) {
trabillard Display of selection zones on a graph	r1044	impl->m_CurrentEditionMode = impl->getEditionMode(event->pos(), this);

		impl->m_MovedOrinalT1 = impl->m_T1;
		impl->m_MovedOrinalT2 = impl->m_T2;
trabillard Resize and move of multiple zones together	r1050	for (auto associatedZone : impl->m_AssociatedEditedZones) {
		associatedZone->impl->m_MovedOrinalT1 = associatedZone->impl->m_T1;
		associatedZone->impl->m_MovedOrinalT2 = associatedZone->impl->m_T2;
		}
trabillard Display of selection zones on a graph	r1044	}
		else {
trabillard multi selection of zones	r1049	impl->m_CurrentEditionMode = VisualizationSelectionZoneItemPrivate::EditionMode::NoEdition;
trabillard Display of selection zones on a graph	r1044	event->ignore();
		}
		}

		void VisualizationSelectionZoneItem::mouseMoveEvent(QMouseEvent *event, const QPointF &startPos)
		{
		if (isEditionEnabled()) {
trabillard Multi selection improvements	r1084	if (!selected()) {
		// Force the item to be selected during the edition
		parentGraphWidget()->parentVisualizationWidget()->selectionZoneManager().setSelected(
		this, true);
		}

trabillard Display of selection zones on a graph	r1044	auto axis = impl->m_Plot->axisRect()->axis(QCPAxis::atBottom);
trabillard Resize and move of multiple zones together	r1050	auto pixelDiff = event->pos().x() - startPos.x();
		auto diff = impl->pixelSizeToAxisXSize(pixelDiff);
trabillard Display of selection zones on a graph	r1044
		switch (impl->m_CurrentEditionMode) {
		case VisualizationSelectionZoneItemPrivate::EditionMode::Move:
		setRange(impl->m_MovedOrinalT1 + diff, impl->m_MovedOrinalT2 + diff);
trabillard Resize and move of multiple zones together	r1050	for (auto associatedZone : impl->m_AssociatedEditedZones) {
		associatedZone->move(pixelDiff);
		}
trabillard Display of selection zones on a graph	r1044	break;
		case VisualizationSelectionZoneItemPrivate::EditionMode::ResizeLeft:
		setStart(impl->m_MovedOrinalT1 + diff);
trabillard Resize and move of multiple zones together	r1050	for (auto associatedZone : impl->m_AssociatedEditedZones) {
		impl->m_MovedOrinalT1 < impl->m_MovedOrinalT2
		? associatedZone->resizeLeft(pixelDiff)
		: associatedZone->resizeRight(pixelDiff);
		}
trabillard Display of selection zones on a graph	r1044	break;
		case VisualizationSelectionZoneItemPrivate::EditionMode::ResizeRight:
		setEnd(impl->m_MovedOrinalT2 + diff);
trabillard Resize and move of multiple zones together	r1050	for (auto associatedZone : impl->m_AssociatedEditedZones) {
		impl->m_MovedOrinalT1 < impl->m_MovedOrinalT2
		? associatedZone->resizeRight(pixelDiff)
		: associatedZone->resizeLeft(pixelDiff);
		}
trabillard Display of selection zones on a graph	r1044	break;
trabillard multi selection of zones	r1049	default:
		break;
trabillard Display of selection zones on a graph	r1044	}
trabillard Resize and move of multiple zones together	r1050
		for (auto associatedZone : impl->m_AssociatedEditedZones) {
		associatedZone->parentPlot()->replot();
		}
trabillard Display of selection zones on a graph	r1044	}
		else {
		event->ignore();
		}
		}

		void VisualizationSelectionZoneItem::mouseReleaseEvent(QMouseEvent *event, const QPointF &startPos)
		{
trabillard Selection of stacked zone via a dialog box	r1085	Q_UNUSED(startPos);

trabillard Display of selection zones on a graph	r1044	if (isEditionEnabled()) {
		impl->m_CurrentEditionMode = VisualizationSelectionZoneItemPrivate::EditionMode::NoEdition;
		}
		else {
		event->ignore();
		}
trabillard Resize and move of multiple zones together	r1050
		impl->m_AssociatedEditedZones.clear();
		}

		void VisualizationSelectionZoneItem::resizeLeft(double pixelDiff)
		{
		auto diff = impl->pixelSizeToAxisXSize(pixelDiff);
		if (impl->m_MovedOrinalT1 <= impl->m_MovedOrinalT2) {
		setStart(impl->m_MovedOrinalT1 + diff);
		}
		else {
		setEnd(impl->m_MovedOrinalT2 + diff);
		}
		}

		void VisualizationSelectionZoneItem::resizeRight(double pixelDiff)
		{
		auto diff = impl->pixelSizeToAxisXSize(pixelDiff);
		if (impl->m_MovedOrinalT1 > impl->m_MovedOrinalT2) {
		setStart(impl->m_MovedOrinalT1 + diff);
		}
		else {
		setEnd(impl->m_MovedOrinalT2 + diff);
		}
		}

		void VisualizationSelectionZoneItem::move(double pixelDiff)
		{
		auto diff = impl->pixelSizeToAxisXSize(pixelDiff);
		setRange(impl->m_MovedOrinalT1 + diff, impl->m_MovedOrinalT2 + diff);
trabillard Display of selection zones on a graph	r1044	}