HG_REPOSITORIES/LPP/SciQLOP_Repos/SciQLop Commit - r1500:9c0cd97f56a7

fixed lost plot D&D...

jeandet -

r1500:9c0cd97f56a7

parent child

Context file:

r1500:9c0cd97f56a7

gui/src/Visualization/VisualizationGraphWidget.cpp +2 -2

             #include "Visualization/VisualizationGraphWidget.h"
             #include "Visualization/IVisualizationWidgetVisitor.h"
             #include "Visualization/VisualizationCursorItem.h"
             #include "Visualization/VisualizationDefs.h"
             #include "Visualization/VisualizationGraphHelper.h"
             #include "Visualization/VisualizationGraphRenderingDelegate.h"
             #include "Visualization/VisualizationMultiZoneSelectionDialog.h"
             #include "Visualization/VisualizationSelectionZoneItem.h"
             #include "Visualization/VisualizationSelectionZoneManager.h"
             #include "Visualization/VisualizationWidget.h"
             #include "Visualization/VisualizationZoneWidget.h"
             #include "ui_VisualizationGraphWidget.h"
             #include <Actions/ActionsGuiController.h>
             #include <Actions/FilteringAction.h>
             #include <MimeTypes/MimeTypes.h>
             #include <cpp_utils_qt/cpp_utils_qt.hpp>
             #include <containers/algorithms.hpp>
             #include <Data/DateTimeRangeHelper.h>
             #include <DragAndDrop/DragDropGuiController.h>
             #include <Settings/SqpSettingsDefs.h>
             #include <SqpApplication.h>
             #include <Time/TimeController.h>
             #include <Variable/Variable2.h>
             #include <Variable/VariableController2.h>
             #include <unordered_map>
             Q_LOGGING_CATEGORY(LOG_VisualizationGraphWidget, "VisualizationGraphWidget")
             namespace
             {
             /// Key pressed to enable drag&drop in all modes
             const auto DRAG_DROP_MODIFIER = Qt::AltModifier;
             /// Key pressed to enable zoom on horizontal axis
             const auto HORIZONTAL_ZOOM_MODIFIER = Qt::ControlModifier;
             /// Key pressed to enable zoom on vertical axis
             const auto VERTICAL_ZOOM_MODIFIER = Qt::ShiftModifier;
             /// Speed of a step of a wheel event for a pan, in percentage of the axis range
             const auto PAN_SPEED = 5;
             /// Key pressed to enable a calibration pan
             const auto VERTICAL_PAN_MODIFIER = Qt::AltModifier;
             /// Key pressed to enable multi selection of selection zones
             const auto MULTI_ZONE_SELECTION_MODIFIER = Qt::ControlModifier;
             /// Minimum size for the zoom box, in percentage of the axis range
             const auto ZOOM_BOX_MIN_SIZE = 0.8;
             /// Format of the dates appearing in the label of a cursor
             const auto CURSOR_LABELS_DATETIME_FORMAT = QStringLiteral("yyyy/MM/dd\nhh:mm:ss:zzz");
             } // namespace
             struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate
             {
                 explicit VisualizationGraphWidgetPrivate(const QString& name)
                         : m_Name { name }
                         , m_Flags { GraphFlag::EnableAll }
                         , m_IsCalibration { false }
                         , m_RenderingDelegate { nullptr }
                 {
                     m_plot = new QCustomPlot();
                     // Necessary for all platform since Qt::AA_EnableHighDpiScaling is enable.
                     m_plot->setPlottingHint(QCP::phFastPolylines, true);
                 }
                 void updateData(
                     PlottablesMap& plottables, std::shared_ptr<Variable2> variable, const DateTimeRange& range)
                 {
                     VisualizationGraphHelper::updateData(plottables, variable, range);
                     // Prevents that data has changed to update rendering
                     m_RenderingDelegate->onPlotUpdated();
                 }
                 QString m_Name;
                 // 1 variable -> n qcpplot
                 std::map<std::shared_ptr<Variable2>, PlottablesMap> m_VariableToPlotMultiMap;
                 GraphFlags m_Flags;
                 bool m_IsCalibration;
                 QCustomPlot* m_plot;
                 QPoint m_lastMousePos;
                 QCPRange m_lastXRange;
                 QCPRange m_lastYRange;
                 /// Delegate used to attach rendering features to the plot
                 std::unique_ptr<VisualizationGraphRenderingDelegate> m_RenderingDelegate;
                 QCPItemRect* m_DrawingZoomRect = nullptr;
                 QStack<QPair<QCPRange, QCPRange>> m_ZoomStack;
                 std::unique_ptr<VisualizationCursorItem> m_HorizontalCursor = nullptr;
                 std::unique_ptr<VisualizationCursorItem> m_VerticalCursor = nullptr;
                 VisualizationSelectionZoneItem* m_DrawingZone = nullptr;
                 VisualizationSelectionZoneItem* m_HoveredZone = nullptr;
                 QVector<VisualizationSelectionZoneItem*> m_SelectionZones;
                 bool m_HasMovedMouse = false; // Indicates if the mouse moved in a releaseMouse even
                 bool m_VariableAutoRangeOnInit = true;
                 inline void enterPlotDrag(const QPoint& position)
                 {
                     m_lastMousePos = m_plot->mapFromParent(position);
                     m_lastXRange = m_plot->xAxis->range();
                     m_lastYRange = m_plot->yAxis->range();
                 }
                 inline bool isDrawingZoomRect() { return m_DrawingZoomRect != nullptr; }
                 void updateZoomRect(const QPoint& newPos)
                 {
                     QPointF pos { m_plot->xAxis->pixelToCoord(newPos.x()),
                         m_plot->yAxis->pixelToCoord(newPos.y()) };
                     m_DrawingZoomRect->bottomRight->setCoords(pos);
                     m_plot->replot(QCustomPlot::rpQueuedReplot);
                 }
                 void applyZoomRect()
                 {
                     auto axisX = m_plot->axisRect()->axis(QCPAxis::atBottom);
                     auto axisY = m_plot->axisRect()->axis(QCPAxis::atLeft);
                     auto newAxisXRange = QCPRange { m_DrawingZoomRect->topLeft->coords().x(),
                         m_DrawingZoomRect->bottomRight->coords().x() };
                     auto newAxisYRange = QCPRange { m_DrawingZoomRect->topLeft->coords().y(),
                         m_DrawingZoomRect->bottomRight->coords().y() };
                     removeDrawingRect();
                     if (newAxisXRange.size() > axisX->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)
                         && newAxisYRange.size() > axisY->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0))
                     {
                         m_ZoomStack.push(qMakePair(axisX->range(), axisY->range()));
                         axisX->setRange(newAxisXRange);
                         axisY->setRange(newAxisYRange);
                         m_plot->replot(QCustomPlot::rpQueuedReplot);
                     }
                 }
                 inline bool isDrawingZoneRect() { return m_DrawingZone != nullptr; }
                 void updateZoneRect(const QPoint& newPos)
                 {
                     m_DrawingZone->setEnd(m_plot->xAxis->pixelToCoord(newPos.x()));
                     m_plot->replot(QCustomPlot::rpQueuedReplot);
                 }
                 void startDrawingRect(const QPoint& pos)
                 {
                     removeDrawingRect();
                     auto axisPos = posToAxisPos(pos);
                     m_DrawingZoomRect = new QCPItemRect { m_plot };
                     QPen p;
                     p.setWidth(2);
                     m_DrawingZoomRect->setPen(p);
                     m_DrawingZoomRect->topLeft->setCoords(axisPos);
                     m_DrawingZoomRect->bottomRight->setCoords(axisPos);
                 }
                 void removeDrawingRect()
                 {
                     if (m_DrawingZoomRect)
                     {
                         m_plot->removeItem(m_DrawingZoomRect); // the item is deleted by QCustomPlot
                         m_DrawingZoomRect = nullptr;
                         m_plot->replot(QCustomPlot::rpQueuedReplot);
                     }
                 }
                 void selectZone(const QPoint& pos)
                 {
                     auto zoneAtPos = selectionZoneAt(pos);
                     setSelectionZonesEditionEnabled(
                         sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones);
                 }
                 void startDrawingZone(const QPoint& pos)
                 {
                     endDrawingZone();
                     auto axisPos = posToAxisPos(pos);
                     m_DrawingZone = new VisualizationSelectionZoneItem { m_plot };
                     m_DrawingZone->setRange(axisPos.x(), axisPos.x());
                     m_DrawingZone->setEditionEnabled(false);
                 }
                 void endDrawingZone()
                 {
                     if (m_DrawingZone)
                     {
                         auto drawingZoneRange = m_DrawingZone->range();
                         if (qAbs(drawingZoneRange.m_TEnd - drawingZoneRange.m_TStart) > 0)
                         {
                             m_DrawingZone->setEditionEnabled(true);
                             addSelectionZone(m_DrawingZone);
                         }
                         else
                         {
                             m_plot->removeItem(m_DrawingZone);
                         }
                         m_plot->replot(QCustomPlot::rpQueuedReplot);
                         m_DrawingZone = nullptr;
                     }
                 }
                 void moveSelectionZone(const QPoint& destination)
                 {
                     /*
                      * I give up on this for now
                      * TODO implement this, the difficulty is that selection zones have their own
                      * event handling code which seems to rely on QCP GUI event handling propagation
                      * which was a realy bad design choice.
                      */
                 }
                 void setSelectionZonesEditionEnabled(bool value)
                 {
                     for (auto s : m_SelectionZones)
                     {
                         s->setEditionEnabled(value);
                     }
                 }
                 void addSelectionZone(VisualizationSelectionZoneItem* zone) { m_SelectionZones << zone; }
                 VisualizationSelectionZoneItem* selectionZoneAt(const QPoint& pos) const
                 {
                     VisualizationSelectionZoneItem* selectionZoneItemUnderCursor = nullptr;
                     auto minDistanceToZone = -1;
                     for (auto zone : m_SelectionZones)
                     {
                         auto distanceToZone = zone->selectTest(pos, false);
                         if ((minDistanceToZone < 0 || distanceToZone <= minDistanceToZone)
                             && distanceToZone >= 0 && distanceToZone < m_plot->selectionTolerance())
                         {
                             selectionZoneItemUnderCursor = zone;
                         }
                     }
                     return selectionZoneItemUnderCursor;
                 }
                 QVector<VisualizationSelectionZoneItem*> selectionZonesAt(
                     const QPoint& pos, const QCustomPlot& plot) const
                 {
                     QVector<VisualizationSelectionZoneItem*> zones;
                     for (auto zone : m_SelectionZones)
                     {
                         auto distanceToZone = zone->selectTest(pos, false);
                         if (distanceToZone >= 0 && distanceToZone < plot.selectionTolerance())
                         {
                             zones << zone;
                         }
                     }
                     return zones;
                 }
                 void moveSelectionZoneOnTop(VisualizationSelectionZoneItem* zone, QCustomPlot& plot)
                 {
                     if (!m_SelectionZones.isEmpty() && m_SelectionZones.last() != zone)
                     {
                         zone->moveToTop();
                         m_SelectionZones.removeAll(zone);
                         m_SelectionZones.append(zone);
                     }
                 }
                 QPointF posToAxisPos(const QPoint& pos) const
                 {
                     auto axisX = m_plot->axisRect()->axis(QCPAxis::atBottom);
                     auto axisY = m_plot->axisRect()->axis(QCPAxis::atLeft);
                     return QPointF { axisX->pixelToCoord(pos.x()), axisY->pixelToCoord(pos.y()) };
                 }
                 bool pointIsInAxisRect(const QPointF& axisPoint, QCustomPlot& plot) const
                 {
                     auto axisX = plot.axisRect()->axis(QCPAxis::atBottom);
                     auto axisY = plot.axisRect()->axis(QCPAxis::atLeft);
                     return axisX->range().contains(axisPoint.x()) && axisY->range().contains(axisPoint.y());
                 }
                 inline QCPRange _pixDistanceToRange(double pos1, double pos2, QCPAxis* axis)
                 {
                     if (axis->scaleType() == QCPAxis::stLinear)
                     {
                         auto diff = axis->pixelToCoord(pos1) - axis->pixelToCoord(pos2);
                         return QCPRange { axis->range().lower + diff, axis->range().upper + diff };
                     }
                     else
                     {
                         auto diff = axis->pixelToCoord(pos1) / axis->pixelToCoord(pos2);
                         return QCPRange { axis->range().lower * diff, axis->range().upper * diff };
                     }
                 }
                 void setRange(const DateTimeRange& newRange, bool updateVar = true)
                 {
                     this->m_plot->xAxis->setRange(newRange.m_TStart, newRange.m_TEnd);
                     if (updateVar)
                     {
                         for (auto it = m_VariableToPlotMultiMap.begin(), end = m_VariableToPlotMultiMap.end();
                              it != end; it = m_VariableToPlotMultiMap.upper_bound(it->first))
                         {
                             sqpApp->variableController().asyncChangeRange(it->first, newRange);
                         }
                     }
                     m_plot->replot(QCustomPlot::rpQueuedReplot);
                 }
                 void setRange(const QCPRange& newRange)
                 {
                     auto graphRange = DateTimeRange { newRange.lower, newRange.upper };
                     setRange(graphRange);
                 }
                 void rescaleY() { m_plot->yAxis->rescale(true); }
                 std::tuple<double, double> moveGraph(const QPoint& destination)
                 {
                     auto currentPos = m_plot->mapFromParent(destination);
                     auto xAxis = m_plot->axisRect()->rangeDragAxis(Qt::Horizontal);
                     auto yAxis = m_plot->axisRect()->rangeDragAxis(Qt::Vertical);
                     auto oldXRange = xAxis->range();
                     auto oldYRange = yAxis->range();
                     double dx = xAxis->pixelToCoord(m_lastMousePos.x()) - xAxis->pixelToCoord(currentPos.x());
                     xAxis->setRange(m_lastXRange.lower + dx, m_lastXRange.upper + dx);
                     if (yAxis->scaleType() == QCPAxis::stLinear)
                     {
                         double dy
                             = yAxis->pixelToCoord(m_lastMousePos.y()) - yAxis->pixelToCoord(currentPos.y());
                         yAxis->setRange(m_lastYRange.lower + dy, m_lastYRange.upper + dy);
                     }
                     else
                     {
                         double dy
                             = yAxis->pixelToCoord(m_lastMousePos.y()) / yAxis->pixelToCoord(currentPos.y());
                         yAxis->setRange(m_lastYRange.lower * dy, m_lastYRange.upper * dy);
                     }
                     auto newXRange = xAxis->range();
                     auto newYRange = yAxis->range();
                     setRange(xAxis->range());
                     // m_lastMousePos = currentPos;
                     return { newXRange.lower - oldXRange.lower, newYRange.lower - oldYRange.lower };
                 }
                 void zoom(double factor, int center, Qt::Orientation orientation)
                 {
                     QCPAxis* axis = m_plot->axisRect()->rangeZoomAxis(orientation);
                     axis->scaleRange(factor, axis->pixelToCoord(center));
                     if (orientation == Qt::Horizontal)
                         setRange(axis->range());
                     m_plot->replot(QCustomPlot::rpQueuedReplot);
                 }
                 void transform(const DateTimeRangeTransformation& tranformation)
                 {
                     auto graphRange = m_plot->xAxis->range();
                     DateTimeRange range { graphRange.lower, graphRange.upper };
                     range = range.transform(tranformation);
                     setRange(range);
                     m_plot->replot(QCustomPlot::rpQueuedReplot);
                 }
                 void move(double dx, double dy)
                 {
                     auto xAxis = m_plot->axisRect()->rangeDragAxis(Qt::Horizontal);
                     auto yAxis = m_plot->axisRect()->rangeDragAxis(Qt::Vertical);
                     xAxis->setRange(QCPRange(xAxis->range().lower + dx, xAxis->range().upper + dx));
                     yAxis->setRange(QCPRange(yAxis->range().lower + dy, yAxis->range().upper + dy));
                     setRange(xAxis->range());
                     m_plot->replot(QCustomPlot::rpQueuedReplot);
                 }
                 void move(double factor, Qt::Orientation orientation)
                 {
                     auto oldRange = m_plot->xAxis->range();
                     QCPAxis* axis = m_plot->axisRect()->rangeDragAxis(orientation);
                     if (m_plot->xAxis->scaleType() == QCPAxis::stLinear)
                     {
                         double rg = (axis->range().upper - axis->range().lower) * (factor / 10);
                         axis->setRange(axis->range().lower + (rg), axis->range().upper + (rg));
                     }
                     else if (m_plot->xAxis->scaleType() == QCPAxis::stLogarithmic)
                     {
                         int start = 0, stop = 0;
                         double diff = 0.;
                         if (factor > 0.0)
                         {
                             stop = m_plot->width() * factor / 10;
                             start = 2 * m_plot->width() * factor / 10;
                         }
                         if (factor < 0.0)
                         {
                             factor *= -1.0;
                             start = m_plot->width() * factor / 10;
                             stop = 2 * m_plot->width() * factor / 10;
                         }
                         diff = axis->pixelToCoord(start) / axis->pixelToCoord(stop);
                         axis->setRange(m_plot->axisRect()->rangeDragAxis(orientation)->range().lower * diff,
                             m_plot->axisRect()->rangeDragAxis(orientation)->range().upper * diff);
                     }
                     if (orientation == Qt::Horizontal)
                         setRange(axis->range());
                     m_plot->replot(QCustomPlot::rpQueuedReplot);
                 }
             };
             VisualizationGraphWidget::VisualizationGraphWidget(const QString& name, QWidget* parent)
                     : VisualizationDragWidget { parent }
                     , ui { new Ui::VisualizationGraphWidget }
                     , impl { spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>(name) }
             {
                 ui->setupUi(this);
                 this->layout()->addWidget(impl->m_plot);
                 // 'Close' options : widget is deleted when closed
                 setAttribute(Qt::WA_DeleteOnClose);
                 // The delegate must be initialized after the ui as it uses the plot
                 impl->m_RenderingDelegate = std::make_unique<VisualizationGraphRenderingDelegate>(*this);
                 // Init the cursors
                 impl->m_HorizontalCursor = std::make_unique<VisualizationCursorItem>(&plot());
                 impl->m_HorizontalCursor->setOrientation(Qt::Horizontal);
                 impl->m_VerticalCursor = std::make_unique<VisualizationCursorItem>(&plot());
                 impl->m_VerticalCursor->setOrientation(Qt::Vertical);
                 this->setFocusPolicy(Qt::WheelFocus);
                 this->setMouseTracking(true);
                 impl->m_plot->setAttribute(Qt::WA_TransparentForMouseEvents);
                 impl->m_plot->setContextMenuPolicy(Qt::CustomContextMenu);
                 impl->m_plot->setParent(this);
                 connect(&sqpApp->variableController(), &VariableController2::variableDeleted, this,
                     &VisualizationGraphWidget::variableDeleted);
             }
             VisualizationGraphWidget::~VisualizationGraphWidget()
             {
                 delete ui;
             }
             VisualizationZoneWidget* VisualizationGraphWidget::parentZoneWidget() const noexcept
             {
                 auto parent = parentWidget();
                 while (parent != nullptr && !qobject_cast<VisualizationZoneWidget*>(parent))
                 {
                     parent = parent->parentWidget();
                 }
                 return qobject_cast<VisualizationZoneWidget*>(parent);
             }
             VisualizationWidget* VisualizationGraphWidget::parentVisualizationWidget() const
             {
                 auto parent = parentWidget();
                 while (parent != nullptr && !qobject_cast<VisualizationWidget*>(parent))
                 {
                     parent = parent->parentWidget();
                 }
                 return qobject_cast<VisualizationWidget*>(parent);
             }
             void VisualizationGraphWidget::setFlags(GraphFlags flags)
             {
                 impl->m_Flags = std::move(flags);
             }
             void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable2> variable, DateTimeRange range)
             {
                 // Uses delegate to create the qcpplot components according to the variable
                 auto createdPlottables = VisualizationGraphHelper::create(variable, *impl->m_plot);
                 // Sets graph properties
                 impl->m_RenderingDelegate->setGraphProperties(*variable, createdPlottables);
                 impl->m_VariableToPlotMultiMap.insert({ variable, std::move(createdPlottables) });
                 setGraphRange(range);
                 // If the variable already has its data loaded, load its units and its range in the graph
                 if (variable->data() != nullptr)
                 {
                     impl->m_RenderingDelegate->setAxesUnits(*variable);
                 }
                 else
                 {
                     auto context = new QObject { this };
                     connect(
                         variable.get(), &Variable2::updated, context, [this, variable, context, range](QUuid) {
                             this->impl->m_RenderingDelegate->setAxesUnits(*variable);
                             this->impl->m_plot->replot(QCustomPlot::rpQueuedReplot);
                             delete context;
                         });
                 }
                 //TODO this is bad! when variable is moved to another graph it still fires
                 // even if this has been deleted
                 connect(variable.get(), &Variable2::updated, this, &VisualizationGraphWidget::variableUpdated);
                 this->onUpdateVarDisplaying(variable, range); // My bullshit
                 emit variableAdded(variable);
             }
             void VisualizationGraphWidget::removeVariable(std::shared_ptr<Variable2> variable) noexcept
             {
                 // Each component associated to the variable :
                 // - is removed from qcpplot (which deletes it)
                 // - is no longer referenced in the map
                 auto variableIt = impl->m_VariableToPlotMultiMap.find(variable);
                 if (variableIt != impl->m_VariableToPlotMultiMap.cend())
                 {
                     emit variableAboutToBeRemoved(variable);
                     auto& plottablesMap = variableIt->second;
                     for (auto plottableIt = plottablesMap.cbegin(), plottableEnd = plottablesMap.cend();
                          plottableIt != plottableEnd;)
                     {
                         impl->m_plot->removePlottable(plottableIt->second);
                         plottableIt = plottablesMap.erase(plottableIt);
                     }
                     impl->m_VariableToPlotMultiMap.erase(variableIt);
                 }
                 // Updates graph
                 impl->m_plot->replot(QCustomPlot::rpQueuedReplot);
             }
             std::vector<std::shared_ptr<Variable2>> VisualizationGraphWidget::variables() const
             {
                 auto variables = std::vector<std::shared_ptr<Variable2>> {};
                 for (auto it = std::cbegin(impl->m_VariableToPlotMultiMap);
                      it != std::cend(impl->m_VariableToPlotMultiMap); ++it)
                 {
                     variables.push_back(it->first);
                 }
                 return variables;
             }
             void VisualizationGraphWidget::setYRange(std::shared_ptr<Variable2> variable)
             {
                 if (!variable)
                 {
                     qCCritical(LOG_VisualizationGraphWidget()) << "Can't set y-axis range: variable is null";
                     return;
                 }
                 VisualizationGraphHelper::setYAxisRange(variable, *impl->m_plot);
             }
             DateTimeRange VisualizationGraphWidget::graphRange() const noexcept
             {
                 auto graphRange = impl->m_plot->xAxis->range();
                 return DateTimeRange { graphRange.lower, graphRange.upper };
             }
             void VisualizationGraphWidget::setGraphRange(
                 const DateTimeRange& range, bool updateVar, bool forward)
             {
                 impl->setRange(range, updateVar);
                 if (forward)
                 {
                     emit this->setrange_sig(this->graphRange(), true, false);
                 }
             }
             void VisualizationGraphWidget::setAutoRangeOnVariableInitialization(bool value)
             {
                 impl->m_VariableAutoRangeOnInit = value;
             }
             QVector<DateTimeRange> VisualizationGraphWidget::selectionZoneRanges() const
             {
                 QVector<DateTimeRange> ranges;
                 for (auto zone : impl->m_SelectionZones)
                 {
                     ranges << zone->range();
                 }
                 return ranges;
             }
             void VisualizationGraphWidget::addSelectionZones(const QVector<DateTimeRange>& ranges)
             {
                 for (const auto& range : ranges)
                 {
                     // note: ownership is transfered to QCustomPlot
                     auto zone = new VisualizationSelectionZoneItem(&plot());
                     zone->setRange(range.m_TStart, range.m_TEnd);
                     impl->addSelectionZone(zone);
                 }
                 plot().replot(QCustomPlot::rpQueuedReplot);
             }
             VisualizationSelectionZoneItem* VisualizationGraphWidget::addSelectionZone(
                 const QString& name, const DateTimeRange& range)
             {
                 // note: ownership is transfered to QCustomPlot
                 auto zone = new VisualizationSelectionZoneItem(&plot());
                 zone->setName(name);
                 zone->setRange(range.m_TStart, range.m_TEnd);
                 impl->addSelectionZone(zone);
                 plot().replot(QCustomPlot::rpQueuedReplot);
                 return zone;
             }
             void VisualizationGraphWidget::removeSelectionZone(VisualizationSelectionZoneItem* selectionZone)
             {
                 parentVisualizationWidget()->selectionZoneManager().setSelected(selectionZone, false);
                 if (impl->m_HoveredZone == selectionZone)
                 {
                     impl->m_HoveredZone = nullptr;
                     setCursor(Qt::ArrowCursor);
                 }
                 impl->m_SelectionZones.removeAll(selectionZone);
                 plot().removeItem(selectionZone);
                 plot().replot(QCustomPlot::rpQueuedReplot);
             }
             void VisualizationGraphWidget::undoZoom()
             {
                 auto zoom = impl->m_ZoomStack.pop();
                 auto axisX = plot().axisRect()->axis(QCPAxis::atBottom);
                 auto axisY = plot().axisRect()->axis(QCPAxis::atLeft);
                 axisX->setRange(zoom.first);
                 axisY->setRange(zoom.second);
                 plot().replot(QCustomPlot::rpQueuedReplot);
             }
             void VisualizationGraphWidget::zoom(
                 double factor, int center, Qt::Orientation orientation, bool forward)
             {
                 impl->zoom(factor, center, orientation);
                 if (forward && orientation == Qt::Horizontal)
                     emit this->setrange_sig(this->graphRange(), true, false);
             }
             void VisualizationGraphWidget::move(double factor, Qt::Orientation orientation, bool forward)
             {
                 impl->move(factor, orientation);
                 if (forward)
                     emit this->setrange_sig(this->graphRange(), true, false);
             }
             void VisualizationGraphWidget::move(double dx, double dy, bool forward)
             {
                 impl->move(dx, dy);
                 if (forward)
                     emit this->setrange_sig(this->graphRange(), true, false);
             }
             void VisualizationGraphWidget::transform(
                 const DateTimeRangeTransformation& tranformation, bool forward)
             {
                 impl->transform(tranformation);
                 if (forward)
                     emit this->setrange_sig(this->graphRange(), true, false);
             }
             void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor* visitor)
             {
                 if (visitor)
                 {
                     visitor->visit(this);
                 }
                 else
                 {
                     qCCritical(LOG_VisualizationGraphWidget())
                         << tr("Can't visit widget : the visitor is null");
                 }
             }
             bool VisualizationGraphWidget::canDrop(Variable2& variable) const
             {
                 auto isSpectrogram
                     = [](auto& variable) { return variable.type() == DataSeriesType::SPECTROGRAM; };
                 // - A spectrogram series can't be dropped on graph with existing plottables
                 // - No data series can be dropped on graph with existing spectrogram series
                 return isSpectrogram(variable)
                     ? impl->m_VariableToPlotMultiMap.empty()
                     : std::none_of(impl->m_VariableToPlotMultiMap.cbegin(),
                           impl->m_VariableToPlotMultiMap.cend(),
                           [isSpectrogram](const auto& entry) { return isSpectrogram(*entry.first); });
             }
             bool VisualizationGraphWidget::contains(Variable2& variable) const
             {
                 // Finds the variable among the keys of the map
                 auto variablePtr = &variable;
                 auto findVariable
                     = [variablePtr](const auto& entry) { return variablePtr == entry.first.get(); };
                 auto end = impl->m_VariableToPlotMultiMap.cend();
                 auto it = std::find_if(impl->m_VariableToPlotMultiMap.cbegin(), end, findVariable);
                 return it != end;
             }
             QString VisualizationGraphWidget::name() const
             {
                 return impl->m_Name;
             }
             QMimeData* VisualizationGraphWidget::mimeData(const QPoint& position) const
             {
                 auto mimeData = new QMimeData;
                 auto selectionZoneItemUnderCursor = impl->selectionZoneAt(position);
                 if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones
                     && selectionZoneItemUnderCursor)
                 {
                     mimeData->setData(MIME::MIME_TYPE_TIME_RANGE,
                         TimeController::mimeDataForTimeRange(selectionZoneItemUnderCursor->range()));
                     mimeData->setData(MIME::MIME_TYPE_SELECTION_ZONE,
                         TimeController::mimeDataForTimeRange(selectionZoneItemUnderCursor->range()));
                 }
                 else
                 {
                     mimeData->setData(MIME::MIME_TYPE_GRAPH, QByteArray {});
                     auto timeRangeData = TimeController::mimeDataForTimeRange(graphRange());
                     mimeData->setData(MIME::MIME_TYPE_TIME_RANGE, timeRangeData);
                 }
                 return mimeData;
             }
             QPixmap VisualizationGraphWidget::customDragPixmap(const QPoint& dragPosition)
             {
                 auto selectionZoneItemUnderCursor = impl->selectionZoneAt(dragPosition);
                 if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones
                     && selectionZoneItemUnderCursor)
                 {
                     auto zoneTopLeft = selectionZoneItemUnderCursor->topLeft->pixelPosition();
                     auto zoneBottomRight = selectionZoneItemUnderCursor->bottomRight->pixelPosition();
                     auto zoneSize = QSizeF { qAbs(zoneBottomRight.x() - zoneTopLeft.x()),
                         qAbs(zoneBottomRight.y() - zoneTopLeft.y()) }
                                         .toSize();
                     auto pixmap = QPixmap(zoneSize);
                     render(&pixmap, QPoint(), QRegion { QRect { zoneTopLeft.toPoint(), zoneSize } });
                     return pixmap;
                 }
                 return QPixmap();
             }
             bool VisualizationGraphWidget::isDragAllowed() const
             {
                 return true;
             }
             void VisualizationGraphWidget::highlightForMerge(bool highlighted)
             {
                 if (highlighted)
                 {
                     plot().setBackground(QBrush(QColor("#BBD5EE")));
                 }
                 else
                 {
                     plot().setBackground(QBrush(Qt::white));
                 }
                 plot().update();
             }
             void VisualizationGraphWidget::addVerticalCursor(double time)
             {
                 impl->m_VerticalCursor->setPosition(time);
                 impl->m_VerticalCursor->setVisible(true);
                 auto text
                     = DateUtils::dateTime(time).toString(CURSOR_LABELS_DATETIME_FORMAT).replace(' ', '\n');
                 impl->m_VerticalCursor->setLabelText(text);
             }
             void VisualizationGraphWidget::addVerticalCursorAtViewportPosition(double position)
             {
                 impl->m_VerticalCursor->setAbsolutePosition(position);
                 impl->m_VerticalCursor->setVisible(true);
                 auto axis = plot().axisRect()->axis(QCPAxis::atBottom);
                 auto text
                     = DateUtils::dateTime(axis->pixelToCoord(position)).toString(CURSOR_LABELS_DATETIME_FORMAT);
                 impl->m_VerticalCursor->setLabelText(text);
             }
             void VisualizationGraphWidget::removeVerticalCursor()
             {
                 impl->m_VerticalCursor->setVisible(false);
                 plot().replot(QCustomPlot::rpQueuedReplot);
             }
             void VisualizationGraphWidget::addHorizontalCursor(double value)
             {
                 impl->m_HorizontalCursor->setPosition(value);
                 impl->m_HorizontalCursor->setVisible(true);
                 impl->m_HorizontalCursor->setLabelText(QString::number(value));
             }
             void VisualizationGraphWidget::addHorizontalCursorAtViewportPosition(double position)
             {
                 impl->m_HorizontalCursor->setAbsolutePosition(position);
                 impl->m_HorizontalCursor->setVisible(true);
                 auto axis = plot().axisRect()->axis(QCPAxis::atLeft);
                 impl->m_HorizontalCursor->setLabelText(QString::number(axis->pixelToCoord(position)));
             }
             void VisualizationGraphWidget::removeHorizontalCursor()
             {
                 impl->m_HorizontalCursor->setVisible(false);
                 plot().replot(QCustomPlot::rpQueuedReplot);
             }
             void VisualizationGraphWidget::closeEvent(QCloseEvent* event)
             {
                 Q_UNUSED(event);
                 for (auto i : impl->m_SelectionZones)
                 {
                     parentVisualizationWidget()->selectionZoneManager().setSelected(i, false);
                 }
                 // Prevents that all variables will be removed from graph when it will be closed
                 for (auto& variableEntry : impl->m_VariableToPlotMultiMap)
                 {
                     emit variableAboutToBeRemoved(variableEntry.first);
                 }
             }
             void VisualizationGraphWidget::enterEvent(QEvent* event)
             {
                 Q_UNUSED(event);
                 impl->m_RenderingDelegate->showGraphOverlay(true);
             }
             void VisualizationGraphWidget::leaveEvent(QEvent* event)
             {
                 Q_UNUSED(event);
                 impl->m_RenderingDelegate->showGraphOverlay(false);
                 if (auto parentZone = parentZoneWidget())
                 {
                     parentZone->notifyMouseLeaveGraph(this);
                 }
                 else
                 {
                     qCWarning(LOG_VisualizationGraphWidget()) << "leaveEvent: No parent zone widget";
                 }
                 if (impl->m_HoveredZone)
                 {
                     impl->m_HoveredZone->setHovered(false);
                     impl->m_HoveredZone = nullptr;
                 }
             }
             void VisualizationGraphWidget::wheelEvent(QWheelEvent* event)
             {
                 double factor;
                 double wheelSteps = event->delta() / 120.0; // a single step delta is +/-120 usually
                 if (event->modifiers() == Qt::ControlModifier)
                 {
                     if (event->orientation() == Qt::Vertical) // mRangeZoom.testFlag(Qt::Vertical))
                     {
                         setCursor(Qt::SizeVerCursor);
                         factor = pow(impl->m_plot->axisRect()->rangeZoomFactor(Qt::Vertical), wheelSteps);
                         zoom(factor, event->pos().y(), Qt::Vertical);
                     }
                 }
                 else if (event->modifiers() == Qt::ShiftModifier)
                 {
                     if (event->orientation() == Qt::Vertical) // mRangeZoom.testFlag(Qt::Vertical))
                     {
                         setCursor(Qt::SizeHorCursor);
                         factor = pow(impl->m_plot->axisRect()->rangeZoomFactor(Qt::Horizontal), wheelSteps);
                         zoom(factor, event->pos().x(), Qt::Horizontal);
                     }
                 }
                 else
                 {
                     move(wheelSteps, Qt::Horizontal);
                 }
                 event->accept();
             }
             void VisualizationGraphWidget::mouseMoveEvent(QMouseEvent* event)
             {
                 if (impl->isDrawingZoomRect())
                 {
                     impl->updateZoomRect(event->pos());
                 }
                 else if (impl->isDrawingZoneRect())
                 {
                     impl->updateZoneRect(event->pos());
                 }
                 else if (event->buttons() == Qt::LeftButton)
                 {
                     if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::None)
                     {
                         auto [dx, dy] = impl->moveGraph(event->pos());
                         emit this->setrange_sig(this->graphRange(), true, false);
                     }
                     else if (sqpApp->plotsInteractionMode()
                         == SqpApplication::PlotsInteractionMode::SelectionZones)
                     {
                         auto posInPlot = this->impl->m_plot->mapFromParent(event->pos());
                         if (auto item = impl->m_plot->itemAt(posInPlot))
                         {
                             if (qobject_cast<VisualizationSelectionZoneItem*>(item))
                             {
                                 QMouseEvent e { QEvent::MouseMove, posInPlot, event->button(), event->buttons(),
                                     event->modifiers() };
                                 sqpApp->sendEvent(this->impl->m_plot, &e);
                                 this->impl->m_plot->replot(QCustomPlot::rpImmediateRefresh);
                             }
                         }
                     }
                 }
                 else
                 {
                     impl->m_RenderingDelegate->updateTooltip(event);
                 }
                 // event->accept();
-                QWidget::mouseMoveEvent(event);
+                VisualizationDragWidget::mouseMoveEvent(event);
             }
             void VisualizationGraphWidget::mouseReleaseEvent(QMouseEvent* event)
             {
                 if (impl->isDrawingZoomRect())
                 {
                     auto oldRange = this->graphRange();
                     impl->applyZoomRect();
                     auto newRange = this->graphRange();
                     if (auto tf = DateTimeRangeHelper::computeTransformation(oldRange, newRange))
                         emit this->transform_sig(tf.value(), false);
                 }
                 else if (impl->isDrawingZoneRect())
                 {
                     impl->endDrawingZone();
                 }
                 else
                 {
                     setCursor(Qt::ArrowCursor);
                 }
                 auto posInPlot = this->impl->m_plot->mapFromParent(event->pos());
                 if (auto item = impl->m_plot->itemAt(posInPlot))
                 {
                     if (qobject_cast<VisualizationSelectionZoneItem*>(item))
                     {
                         QMouseEvent e { QEvent::MouseButtonRelease, posInPlot, event->button(),
                             event->buttons(), event->modifiers() };
                         sqpApp->sendEvent(this->impl->m_plot, &e);
                     }
                 }
                 event->accept();
             }
             void VisualizationGraphWidget::mousePressEvent(QMouseEvent* event)
             {
                 if (event->button() == Qt::RightButton)
                 {
                     onGraphMenuRequested(event->pos());
                 }
                 else
                 {
                     auto selectedZone = impl->selectionZoneAt(event->pos());
                     switch (sqpApp->plotsInteractionMode())
                     {
                         case SqpApplication::PlotsInteractionMode::DragAndDrop:
                             break;
                         case SqpApplication::PlotsInteractionMode::SelectionZones:
                             impl->setSelectionZonesEditionEnabled(true);
                             if ((event->modifiers() == Qt::ControlModifier) && (selectedZone != nullptr))
                             {
                                 auto alreadySelectedZones
                                     = parentVisualizationWidget()->selectionZoneManager().selectedItems();
                                 selectedZone->setAssociatedEditedZones(alreadySelectedZones);
                                 if (cpp_utils::containers::contains(alreadySelectedZones, selectedZone))
                                 {
                                     alreadySelectedZones.removeOne(selectedZone);
                                 }
                                 else
                                 {
                                     alreadySelectedZones.append(selectedZone);
                                 }
                                 parentVisualizationWidget()->selectionZoneManager().select(
                                     alreadySelectedZones);
                             }
                             else
                             {
                                 if (!selectedZone)
                                 {
                                     parentVisualizationWidget()->selectionZoneManager().clearSelection();
                                     impl->startDrawingZone(event->pos());
                                 }
                                 else
                                 {
                                     parentVisualizationWidget()->selectionZoneManager().select(
                                         { selectedZone });
                                 }
                             }
                             {
                                 auto posInPlot = this->impl->m_plot->mapFromParent(event->pos());
                                 if (auto item = impl->m_plot->itemAt(posInPlot))
                                 {
                                     if (qobject_cast<VisualizationSelectionZoneItem*>(item))
                                     {
                                         QMouseEvent e { QEvent::MouseButtonPress, posInPlot, event->button(),
                                             event->buttons(), event->modifiers() };
                                         sqpApp->sendEvent(this->impl->m_plot, &e);
                                     }
                                 }
                             }
                             break;
                         case SqpApplication::PlotsInteractionMode::ZoomBox:
                             impl->startDrawingRect(event->pos());
                             break;
                         default:
                             if (auto item = impl->m_plot->itemAt(event->pos()))
                             {
                                 emit impl->m_plot->itemClick(item, event);
                                 if (qobject_cast<VisualizationSelectionZoneItem*>(item))
                                 {
                                     setCursor(Qt::ClosedHandCursor);
                                     impl->enterPlotDrag(event->pos());
                                 }
                             }
                             else
                             {
                                 setCursor(Qt::ClosedHandCursor);
                                 impl->enterPlotDrag(event->pos());
                             }
                     }
                 }
                 // event->accept();
-                QWidget::mousePressEvent(event);
+                VisualizationDragWidget::mousePressEvent(event);
             }
             void VisualizationGraphWidget::mouseDoubleClickEvent(QMouseEvent* event)
             {
                 impl->m_RenderingDelegate->onMouseDoubleClick(event);
             }
             void VisualizationGraphWidget::keyReleaseEvent(QKeyEvent* event)
             {
                 switch (event->key())
                 {
                     case Qt::Key_Control:
                         event->accept();
                         break;
                     case Qt::Key_Shift:
                         event->accept();
                         break;
                     default:
                         QWidget::keyReleaseEvent(event);
                         break;
                 }
                 setCursor(Qt::ArrowCursor);
                 // event->accept();
             }
             void VisualizationGraphWidget::keyPressEvent(QKeyEvent* event)
             {
                 switch (event->key())
                 {
                     case Qt::Key_Control:
                         setCursor(Qt::CrossCursor);
                         break;
                     case Qt::Key_Shift:
                         break;
                     case Qt::Key_M:
                         impl->rescaleY();
                         impl->m_plot->replot(QCustomPlot::rpQueuedReplot);
                         break;
                     case Qt::Key_Left:
                         if (event->modifiers() != Qt::ControlModifier)
                         {
                             move(-0.1, Qt::Horizontal);
                         }
                         else
                         {
                             zoom(2, this->width() / 2, Qt::Horizontal);
                         }
                         break;
                     case Qt::Key_Right:
                         if (event->modifiers() != Qt::ControlModifier)
                         {
                             move(0.1, Qt::Horizontal);
                         }
                         else
                         {
                             zoom(0.5, this->width() / 2, Qt::Horizontal);
                         }
                         break;
                     case Qt::Key_Up:
                         if (event->modifiers() != Qt::ControlModifier)
                         {
                             move(0.1, Qt::Vertical);
                         }
                         else
                         {
                             zoom(0.5, this->height() / 2, Qt::Vertical);
                         }
                         break;
                     case Qt::Key_Down:
                         if (event->modifiers() != Qt::ControlModifier)
                         {
                             move(-0.1, Qt::Vertical);
                         }
                         else
                         {
                             zoom(2, this->height() / 2, Qt::Vertical);
                         }
                         break;
                     default:
                         QWidget::keyPressEvent(event);
                         break;
                 }
             }
             QCustomPlot& VisualizationGraphWidget::plot() const noexcept
             {
                 return *impl->m_plot;
             }
             void VisualizationGraphWidget::onGraphMenuRequested(const QPoint& pos) noexcept
             {
                 QMenu graphMenu {};
                 // Iterates on variables (unique keys)
                 for (auto it = impl->m_VariableToPlotMultiMap.cbegin(),
                           end = impl->m_VariableToPlotMultiMap.cend();
                      it != end; it = impl->m_VariableToPlotMultiMap.upper_bound(it->first))
                 {
                     // 'Remove variable' action
                     graphMenu.addAction(tr("Remove variable %1").arg(it->first->name()),
                         [this, var = it->first]() { removeVariable(var); });
                 }
                 if (!impl->m_ZoomStack.isEmpty())
                 {
                     if (!graphMenu.isEmpty())
                     {
                         graphMenu.addSeparator();
                     }
                     graphMenu.addAction(tr("Undo Zoom"), [this]() { undoZoom(); });
                 }
                 // Selection Zone Actions
                 auto selectionZoneItem = impl->selectionZoneAt(pos);
                 if (selectionZoneItem)
                 {
                     auto selectedItems = parentVisualizationWidget()->selectionZoneManager().selectedItems();
                     selectedItems.removeAll(selectionZoneItem);
                     selectedItems.prepend(selectionZoneItem); // Put the current selection zone first
                     auto zoneActions = sqpApp->actionsGuiController().selectionZoneActions();
                     if (!zoneActions.isEmpty() && !graphMenu.isEmpty())
                     {
                         graphMenu.addSeparator();
                     }
                     QHash<QString, QMenu*> subMenus;
                     QHash<QString, bool> subMenusEnabled;
                     QHash<QString, FilteringAction*> filteredMenu;
                     for (auto zoneAction : zoneActions)
                     {
                         auto isEnabled = zoneAction->isEnabled(selectedItems);
                         auto menu = &graphMenu;
                         QString menuPath;
                         for (auto subMenuName : zoneAction->subMenuList())
                         {
                             menuPath += '/';
                             menuPath += subMenuName;
                             if (!subMenus.contains(menuPath))
                             {
                                 menu = menu->addMenu(subMenuName);
                                 subMenus[menuPath] = menu;
                                 subMenusEnabled[menuPath] = isEnabled;
                             }
                             else
                             {
                                 menu = subMenus.value(menuPath);
                                 if (isEnabled)
                                 {
                                     // The sub menu is enabled if at least one of its actions is enabled
                                     subMenusEnabled[menuPath] = true;
                                 }
                             }
                         }
                         FilteringAction* filterAction = nullptr;
                         if (sqpApp->actionsGuiController().isMenuFiltered(zoneAction->subMenuList()))
                         {
                             filterAction = filteredMenu.value(menuPath);
                             if (!filterAction)
                             {
                                 filterAction = new FilteringAction { this };
                                 filteredMenu[menuPath] = filterAction;
                                 menu->addAction(filterAction);
                             }
                         }
                         auto action = menu->addAction(zoneAction->name());
                         action->setEnabled(isEnabled);
                         action->setShortcut(zoneAction->displayedShortcut());
                         QObject::connect(action, &QAction::triggered,
                             [zoneAction, selectedItems]() { zoneAction->execute(selectedItems); });
                         if (filterAction && zoneAction->isFilteringAllowed())
                         {
                             filterAction->addActionToFilter(action);
                         }
                     }
                     for (auto it = subMenus.cbegin(); it != subMenus.cend(); ++it)
                     {
                         it.value()->setEnabled(subMenusEnabled[it.key()]);
                     }
                 }
                 if (!graphMenu.isEmpty())
                 {
                     graphMenu.exec(QCursor::pos());
                 }
             }
             void VisualizationGraphWidget::onMouseDoubleClick(QMouseEvent* event) noexcept
             {
                 impl->m_RenderingDelegate->onMouseDoubleClick(event);
             }
             void VisualizationGraphWidget::onMouseMove(QMouseEvent* event) noexcept
             {
                 // Handles plot rendering when mouse is moving
                 impl->m_RenderingDelegate->updateTooltip(event);
                 auto axisPos = impl->posToAxisPos(event->pos());
                 // Zoom box and zone drawing
                 if (impl->m_DrawingZoomRect)
                 {
                     impl->m_DrawingZoomRect->bottomRight->setCoords(axisPos);
                 }
                 else if (impl->m_DrawingZone)
                 {
                     impl->m_DrawingZone->setEnd(axisPos.x());
                 }
                 // Cursor
                 if (auto parentZone = parentZoneWidget())
                 {
                     if (impl->pointIsInAxisRect(axisPos, plot()))
                     {
                         parentZone->notifyMouseMoveInGraph(event->pos(), axisPos, this);
                     }
                     else
                     {
                         parentZone->notifyMouseLeaveGraph(this);
                     }
                 }
                 // Search for the selection zone under the mouse
                 auto selectionZoneItemUnderCursor = impl->selectionZoneAt(event->pos());
                 if (selectionZoneItemUnderCursor && !impl->m_DrawingZone
                     && sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones)
                 {
                     // Sets the appropriate cursor shape
                     auto cursorShape = selectionZoneItemUnderCursor->curshorShapeForPosition(event->pos());
                     setCursor(cursorShape);
                     // Manages the hovered zone
                     if (selectionZoneItemUnderCursor != impl->m_HoveredZone)
                     {
                         if (impl->m_HoveredZone)
                         {
                             impl->m_HoveredZone->setHovered(false);
                         }
                         selectionZoneItemUnderCursor->setHovered(true);
                         impl->m_HoveredZone = selectionZoneItemUnderCursor;
                         plot().replot(QCustomPlot::rpQueuedReplot);
                     }
                 }
                 else
                 {
                     // There is no zone under the mouse or the interaction mode is not "selection zones"
                     if (impl->m_HoveredZone)
                     {
                         impl->m_HoveredZone->setHovered(false);
                         impl->m_HoveredZone = nullptr;
                     }
                     setCursor(Qt::ArrowCursor);
                 }
                 impl->m_HasMovedMouse = true;
                 VisualizationDragWidget::mouseMoveEvent(event);
             }
             void VisualizationGraphWidget::onMouseWheel(QWheelEvent* event) noexcept
             {
                 // Processes event only if the wheel occurs on axis rect
                 if (!dynamic_cast<QCPAxisRect*>(impl->m_plot->layoutElementAt(event->posF())))
                 {
                     return;
                 }
                 auto value = event->angleDelta().x() + event->angleDelta().y();
                 if (value != 0)
                 {
                     auto direction = value > 0 ? 1.0 : -1.0;
                     auto isZoomX = event->modifiers().testFlag(HORIZONTAL_ZOOM_MODIFIER);
                     auto isZoomY = event->modifiers().testFlag(VERTICAL_ZOOM_MODIFIER);
                     impl->m_IsCalibration = event->modifiers().testFlag(VERTICAL_PAN_MODIFIER);
                     auto zoomOrientations = QFlags<Qt::Orientation> {};
                     zoomOrientations.setFlag(Qt::Horizontal, isZoomX);
                     zoomOrientations.setFlag(Qt::Vertical, isZoomY);
                     impl->m_plot->axisRect()->setRangeZoom(zoomOrientations);
                     if (!isZoomX && !isZoomY)
                     {
                         auto axis = plot().axisRect()->axis(QCPAxis::atBottom);
                         auto diff = direction * (axis->range().size() * (PAN_SPEED / 100.0));
                         axis->setRange(axis->range() + diff);
                         if (plot().noAntialiasingOnDrag())
                         {
                             plot().setNotAntialiasedElements(QCP::aeAll);
                         }
                         // plot().replot(QCustomPlot::rpQueuedReplot);
                     }
                 }
             }
             void VisualizationGraphWidget::onMousePress(QMouseEvent* event) noexcept
             {
                 auto isDragDropClick = event->modifiers().testFlag(DRAG_DROP_MODIFIER);
                 auto isSelectionZoneMode
                     = sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones;
                 auto isLeftClick = event->buttons().testFlag(Qt::LeftButton);
                 if (!isDragDropClick && isLeftClick)
                 {
                     if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::ZoomBox)
                     {
                         // Starts a zoom box
                         impl->startDrawingRect(event->pos());
                     }
                     else if (isSelectionZoneMode && impl->m_DrawingZone == nullptr)
                     {
                         // Starts a new selection zone
                         auto zoneAtPos = impl->selectionZoneAt(event->pos());
                         if (!zoneAtPos)
                         {
                             impl->startDrawingZone(event->pos());
                         }
                     }
                 }
                 // Allows zone edition only in selection zone mode without drag&drop
                 impl->setSelectionZonesEditionEnabled(isSelectionZoneMode && !isDragDropClick);
                 // Selection / Deselection
                 if (isSelectionZoneMode)
                 {
                     auto isMultiSelectionClick = event->modifiers().testFlag(MULTI_ZONE_SELECTION_MODIFIER);
                     auto selectionZoneItemUnderCursor = impl->selectionZoneAt(event->pos());
                     if (selectionZoneItemUnderCursor && !selectionZoneItemUnderCursor->selected()
                         && !isMultiSelectionClick)
                     {
                         parentVisualizationWidget()->selectionZoneManager().select(
                             { selectionZoneItemUnderCursor });
                     }
                     else if (!selectionZoneItemUnderCursor && !isMultiSelectionClick && isLeftClick)
                     {
                         parentVisualizationWidget()->selectionZoneManager().clearSelection();
                     }
                     else
                     {
                         // No selection change
                     }
                     if (selectionZoneItemUnderCursor && isLeftClick)
                     {
                         selectionZoneItemUnderCursor->setAssociatedEditedZones(
                             parentVisualizationWidget()->selectionZoneManager().selectedItems());
                     }
                 }
                 impl->m_HasMovedMouse = false;
                 VisualizationDragWidget::mousePressEvent(event);
             }
             void VisualizationGraphWidget::onMouseRelease(QMouseEvent* event) noexcept
             {
                 if (impl->m_DrawingZoomRect)
                 {
                     auto axisX = plot().axisRect()->axis(QCPAxis::atBottom);
                     auto axisY = plot().axisRect()->axis(QCPAxis::atLeft);
                     auto newAxisXRange = QCPRange { impl->m_DrawingZoomRect->topLeft->coords().x(),
                         impl->m_DrawingZoomRect->bottomRight->coords().x() };
                     auto newAxisYRange = QCPRange { impl->m_DrawingZoomRect->topLeft->coords().y(),
                         impl->m_DrawingZoomRect->bottomRight->coords().y() };
                     impl->removeDrawingRect();
                     if (newAxisXRange.size() > axisX->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)
                         && newAxisYRange.size() > axisY->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0))
                     {
                         impl->m_ZoomStack.push(qMakePair(axisX->range(), axisY->range()));
                         axisX->setRange(newAxisXRange);
                         axisY->setRange(newAxisYRange);
                         plot().replot(QCustomPlot::rpQueuedReplot);
                     }
                 }
                 impl->endDrawingZone();
                 // Selection / Deselection
                 auto isSelectionZoneMode
                     = sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones;
                 if (isSelectionZoneMode)
                 {
                     auto isMultiSelectionClick = event->modifiers().testFlag(MULTI_ZONE_SELECTION_MODIFIER);
                     auto selectionZoneItemUnderCursor = impl->selectionZoneAt(event->pos());
                     if (selectionZoneItemUnderCursor && event->button() == Qt::LeftButton
                         && !impl->m_HasMovedMouse)
                     {
                         auto zonesUnderCursor = impl->selectionZonesAt(event->pos(), plot());
                         if (zonesUnderCursor.count() > 1)
                         {
                             // There are multiple zones under the mouse.
                             // Performs the selection with a selection dialog.
                             VisualizationMultiZoneSelectionDialog dialog { this };
                             dialog.setZones(zonesUnderCursor);
                             dialog.move(mapToGlobal(event->pos() - QPoint(dialog.width() / 2, 20)));
                             dialog.activateWindow();
                             dialog.raise();
                             if (dialog.exec() == QDialog::Accepted)
                             {
                                 auto selection = dialog.selectedZones();
                                 if (!isMultiSelectionClick)
                                 {
                                     parentVisualizationWidget()->selectionZoneManager().clearSelection();
                                 }
                                 for (auto it = selection.cbegin(); it != selection.cend(); ++it)
                                 {
                                     auto zone = it.key();
                                     auto isSelected = it.value();
                                     parentVisualizationWidget()->selectionZoneManager().setSelected(
                                         zone, isSelected);
                                     if (isSelected)
                                     {
                                         // Puts the zone on top of the stack so it can be moved or resized
                                         impl->moveSelectionZoneOnTop(zone, plot());
                                     }
                                 }
                             }
                         }
                         else
                         {
                             if (!isMultiSelectionClick)
                             {
                                 parentVisualizationWidget()->selectionZoneManager().select(
                                     { selectionZoneItemUnderCursor });
                                 impl->moveSelectionZoneOnTop(selectionZoneItemUnderCursor, plot());
                             }
                             else
                             {
                                 parentVisualizationWidget()->selectionZoneManager().setSelected(
                                     selectionZoneItemUnderCursor,
                                     !selectionZoneItemUnderCursor->selected()
                                         || event->button() == Qt::RightButton);
                             }
                         }
                     }
                     else
                     {
                         // No selection change
                     }
                 }
             }
             void VisualizationGraphWidget::onDataCacheVariableUpdated()
             {
                 auto graphRange = impl->m_plot->xAxis->range();
                 auto dateTime = DateTimeRange { graphRange.lower, graphRange.upper };
                 for (auto& variableEntry : impl->m_VariableToPlotMultiMap)
                 {
                     auto variable = variableEntry.first;
                     qCDebug(LOG_VisualizationGraphWidget())
                         << "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated S" << variable->range();
                     qCDebug(LOG_VisualizationGraphWidget())
                         << "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated E" << dateTime;
                     if (dateTime.contains(variable->range()) || dateTime.intersect(variable->range()))
                     {
                         impl->updateData(variableEntry.second, variable, variable->range());
                     }
                 }
             }
             void VisualizationGraphWidget::onUpdateVarDisplaying(
                 std::shared_ptr<Variable2> variable, const DateTimeRange& range)
             {
                 auto it = impl->m_VariableToPlotMultiMap.find(variable);
                 if (it != impl->m_VariableToPlotMultiMap.end())
                 {
                     impl->updateData(it->second, variable, range);
                 }
             }
             void VisualizationGraphWidget::variableUpdated(QUuid id)
             {
                 for (auto& [var, plotables] : impl->m_VariableToPlotMultiMap)
                 {
                     if (var->ID() == id)
                     {
                         impl->updateData(plotables, var, this->graphRange());
                     }
                 }
             }
             void VisualizationGraphWidget::variableDeleted(const std::shared_ptr<Variable2>& variable)
             {
                 this->removeVariable(variable);
             }

gui/src/Visualization/VisualizationZoneWidget.cpp 0 -60

             #include "Visualization/VisualizationZoneWidget.h"
             #include "Visualization/IVisualizationWidgetVisitor.h"
             #include "Visualization/QCustomPlotSynchronizer.h"
             #include "Visualization/VisualizationGraphWidget.h"
             #include "Visualization/VisualizationWidget.h"
             #include "ui_VisualizationZoneWidget.h"
             #include "MimeTypes/MimeTypes.h"
             #include "Common/VisualizationDef.h"
             #include <Data/DateTimeRange.h>
             #include <Data/DateTimeRangeHelper.h>
             #include <DataSource/datasources.h>
             #include <Time/TimeController.h>
             #include <Variable/Variable2.h>
             #include <Variable/VariableController2.h>
             #include <Visualization/operations/FindVariableOperation.h>
             #include <DragAndDrop/DragDropGuiController.h>
             #include <QUuid>
             #include <SqpApplication.h>
             #include <cmath>
             #include <QLayout>
             #include <QStyle>
             Q_LOGGING_CATEGORY(LOG_VisualizationZoneWidget, "VisualizationZoneWidget")
             namespace
             {
             /**
              * Applies a function to all graphs of the zone represented by its layout
              * @param layout the layout that contains graphs
              * @param fun the function to apply to each graph
              */
             template <typename Fun>
             void processGraphs(QLayout& layout, Fun fun)
             {
                 for (auto i = 0; i < layout.count(); ++i)
                 {
                     if (auto item = layout.itemAt(i))
                     {
                         if (auto visualizationGraphWidget
                             = qobject_cast<VisualizationGraphWidget*>(item->widget()))
                         {
                             fun(*visualizationGraphWidget);
                         }
                     }
                 }
             }
             /// Generates a default name for a new graph, according to the number of graphs already displayed in
             /// the zone
             QString defaultGraphName(QLayout& layout)
             {
                 QSet<QString> existingNames;
                 processGraphs(
                     layout, [&existingNames](auto& graphWidget) { existingNames.insert(graphWidget.name()); });
                 int zoneNum = 1;
                 QString name;
                 do
                 {
                     name = QObject::tr("Graph ").append(QString::number(zoneNum));
                     ++zoneNum;
                 } while (existingNames.contains(name));
                 return name;
             }
             } // namespace
             struct VisualizationZoneWidget::VisualizationZoneWidgetPrivate
             {
                 explicit VisualizationZoneWidgetPrivate()
                         : m_SynchronisationGroupId { QUuid::createUuid() }
                         , m_Synchronizer { std::make_unique<QCustomPlotSynchronizer>() }
                 {
                 }
                 QUuid m_SynchronisationGroupId;
                 std::unique_ptr<IGraphSynchronizer> m_Synchronizer;
                 void dropGraph(int index, VisualizationZoneWidget* zoneWidget);
                 void dropVariables(const std::vector<std::shared_ptr<Variable2>>& variables, int index,
                     VisualizationZoneWidget* zoneWidget);
                 void dropProducts(
                     const QVariantList& productsData, int index, VisualizationZoneWidget* zoneWidget);
             };
             VisualizationZoneWidget::VisualizationZoneWidget(const QString& name, QWidget* parent)
                     : VisualizationDragWidget { parent }
                     , ui { new Ui::VisualizationZoneWidget }
                     , impl { spimpl::make_unique_impl<VisualizationZoneWidgetPrivate>() }
             {
                 ui->setupUi(this);
                 ui->zoneNameLabel->setText(name);
                 ui->dragDropContainer->setPlaceHolderType(DragDropGuiController::PlaceHolderType::Graph);
                 ui->dragDropContainer->setMimeType(
                     MIME::MIME_TYPE_GRAPH, VisualizationDragDropContainer::DropBehavior::Inserted);
                 ui->dragDropContainer->setMimeType(
                     MIME::MIME_TYPE_VARIABLE_LIST, VisualizationDragDropContainer::DropBehavior::InsertedAndMerged);
                 ui->dragDropContainer->setMimeType(
                     MIME::MIME_TYPE_PRODUCT_LIST, VisualizationDragDropContainer::DropBehavior::InsertedAndMerged);
                 ui->dragDropContainer->setMimeType(
                     MIME::MIME_TYPE_TIME_RANGE, VisualizationDragDropContainer::DropBehavior::Merged);
                 ui->dragDropContainer->setMimeType(
                     MIME::MIME_TYPE_ZONE, VisualizationDragDropContainer::DropBehavior::Forbidden);
                 ui->dragDropContainer->setMimeType(
                     MIME::MIME_TYPE_SELECTION_ZONE, VisualizationDragDropContainer::DropBehavior::Forbidden);
                 ui->dragDropContainer->setAcceptMimeDataFunction([this](auto mimeData) {
                     return sqpApp->dragDropGuiController().checkMimeDataForVisualization(
                         mimeData, ui->dragDropContainer);
                 });
                 auto acceptDragWidgetFun = [](auto dragWidget, auto mimeData) {
                     if (!mimeData)
                     {
                         return false;
                     }
                     if (mimeData->hasFormat(MIME::MIME_TYPE_VARIABLE_LIST))
                     {
                         auto variables = sqpApp->variableController().variables(
                             Variable2::IDs(mimeData->data(MIME::MIME_TYPE_VARIABLE_LIST)));
                         if (variables.size() != 1)
                         {
                             return false;
                         }
                         auto variable = variables.front();
                         if (auto graphWidget = dynamic_cast<const VisualizationGraphWidget*>(dragWidget))
                         {
                             return graphWidget->canDrop(*variable);
                         }
                     }
                     return true;
                 };
                 ui->dragDropContainer->setAcceptDragWidgetFunction(acceptDragWidgetFun);
                 connect(ui->dragDropContainer, &VisualizationDragDropContainer::dropOccuredInContainer, this,
                     &VisualizationZoneWidget::dropMimeData);
                 connect(ui->dragDropContainer, &VisualizationDragDropContainer::dropOccuredOnWidget, this,
                     &VisualizationZoneWidget::dropMimeDataOnGraph);
                 // 'Close' options : widget is deleted when closed
                 setAttribute(Qt::WA_DeleteOnClose);
                 connect(ui->closeButton, &QToolButton::clicked, this, &VisualizationZoneWidget::close);
                 ui->closeButton->setIcon(sqpApp->style()->standardIcon(QStyle::SP_TitleBarCloseButton));
                 // Synchronisation id
                 //    QMetaObject::invokeMethod(&sqpApp->variableController(), "onAddSynchronizationGroupId",
                 //        Qt::QueuedConnection, Q_ARG(QUuid, impl->m_SynchronisationGroupId));
             }
             VisualizationZoneWidget::~VisualizationZoneWidget()
             {
                 delete ui;
             }
             void VisualizationZoneWidget::setZoneRange(const DateTimeRange& range)
             {
                 if (auto graph = firstGraph())
                 {
                     graph->setGraphRange(range);
                 }
                 else
                 {
                     qCWarning(LOG_VisualizationZoneWidget())
                         << tr("setZoneRange:Cannot set the range of an empty zone.");
                 }
             }
             void VisualizationZoneWidget::addGraph(VisualizationGraphWidget* graphWidget)
             {
                 // Synchronize new graph with others in the zone
                 //    impl->m_Synchronizer->addGraph(*graphWidget);
                 //    ui->dragDropContainer->addDragWidget(graphWidget);
                 insertGraph(0, graphWidget);
             }
             void VisualizationZoneWidget::insertGraph(int index, VisualizationGraphWidget* graphWidget)
             {
                 DEPRECATE(
                     auto layout = ui->dragDropContainer->layout(); for (int i = 0; i < layout->count(); i++) {
                         auto graph = qobject_cast<VisualizationGraphWidget*>(layout->itemAt(i)->widget());
                         connect(graphWidget, &VisualizationGraphWidget::setrange_sig, graph,
                             &VisualizationGraphWidget::setGraphRange);
                         connect(graph, &VisualizationGraphWidget::setrange_sig, graphWidget,
                             &VisualizationGraphWidget::setGraphRange);
                     } if (auto graph = firstGraph()) { graphWidget->setGraphRange(graph->graphRange(), true); })
                 // Synchronize new graph with others in the zone
                 impl->m_Synchronizer->addGraph(*graphWidget);
                 ui->dragDropContainer->insertDragWidget(index, graphWidget);
             }
             VisualizationGraphWidget* VisualizationZoneWidget::createGraph(std::shared_ptr<Variable2> variable)
             {
                 return createGraph(variable, -1);
             }
             VisualizationGraphWidget* VisualizationZoneWidget::createGraph(
                 std::shared_ptr<Variable2> variable, int index)
             {
                 auto graphWidget
                     = new VisualizationGraphWidget { defaultGraphName(*ui->dragDropContainer->layout()), this };
                 // Set graph properties
                 graphWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::MinimumExpanding);
                 graphWidget->setMinimumHeight(GRAPH_MINIMUM_HEIGHT);
-                // Lambda to synchronize zone widget
-                //    auto synchronizeZoneWidget = [this, graphWidget](const DateTimeRange &graphRange,
-                //                                                     const DateTimeRange &oldGraphRange) {
-                //        auto zoomType = DateTimeRangeHelper::getTransformationType(oldGraphRange, graphRange);
-                //        auto frameLayout = ui->dragDropContainer->layout();
-                //        for (auto i = 0; i < frameLayout->count(); ++i) {
-                //            auto graphChild
-                //                = dynamic_cast<VisualizationGraphWidget *>(frameLayout->itemAt(i)->widget());
-                //            if (graphChild && (graphChild != graphWidget)) {
-                //                auto graphChildRange = graphChild->graphRange();
-                //                switch (zoomType) {
-                //                    case TransformationType::ZoomIn: {
-                //                        auto deltaLeft = graphRange.m_TStart - oldGraphRange.m_TStart;
-                //                        auto deltaRight = oldGraphRange.m_TEnd - graphRange.m_TEnd;
-                //                        graphChildRange.m_TStart += deltaLeft;
-                //                        graphChildRange.m_TEnd -= deltaRight;
-                //                        break;
-                //                    }
-                //                    case TransformationType::ZoomOut: {
-                //                        auto deltaLeft = oldGraphRange.m_TStart - graphRange.m_TStart;
-                //                        auto deltaRight = graphRange.m_TEnd - oldGraphRange.m_TEnd;
-                //                        graphChildRange.m_TStart -= deltaLeft;
-                //                        graphChildRange.m_TEnd += deltaRight;
-                //                        break;
-                //                    }
-                //                    case TransformationType::PanRight: {
-                //                        auto deltaLeft = graphRange.m_TStart - oldGraphRange.m_TStart;
-                //                        auto deltaRight = graphRange.m_TEnd - oldGraphRange.m_TEnd;
-                //                        graphChildRange.m_TStart += deltaLeft;
-                //                        graphChildRange.m_TEnd += deltaRight;
-                //                        break;
-                //                    }
-                //                    case TransformationType::PanLeft: {
-                //                        auto deltaLeft = oldGraphRange.m_TStart - graphRange.m_TStart;
-                //                        auto deltaRight = oldGraphRange.m_TEnd - graphRange.m_TEnd;
-                //                        graphChildRange.m_TStart -= deltaLeft;
-                //                        graphChildRange.m_TEnd -= deltaRight;
-                //                        break;
-                //                    }
-                //                    case TransformationType::Unknown: {
-                //                        break;
-                //                    }
-                //                    default:
-                //                        qCCritical(LOG_VisualizationZoneWidget())
-                //                            << tr("Impossible to synchronize: zoom type not take into
-                //                            account");
-                //                        // No action
-                //                        break;
-                //                }
-                //                graphChild->setFlags(GraphFlag::DisableAll);
-                //                graphChild->setGraphRange(graphChildRange, true);
-                //                graphChild->setFlags(GraphFlag::EnableAll);
-                //            }
-                //        }
-                //    };
                 // connection for synchronization
                 // connect(graphWidget, &VisualizationGraphWidget::synchronize, synchronizeZoneWidget);
                 connect(graphWidget, &VisualizationGraphWidget::variableAdded, this,
                     &VisualizationZoneWidget::onVariableAdded);
                 connect(graphWidget, &VisualizationGraphWidget::variableAboutToBeRemoved, this,
                     &VisualizationZoneWidget::onVariableAboutToBeRemoved);
                 auto range = DateTimeRange {};
                 if (auto firstGraph = this->firstGraph())
                 {
                     // Case of a new graph in a existant zone
                     range = firstGraph->graphRange();
                 }
                 else
                 {
                     // Case of a new graph as the first of the zone
                     range = variable->range();
                 }
                 this->insertGraph(index, graphWidget);
                 graphWidget->addVariable(variable, range);
                 graphWidget->setYRange(variable);
                 return graphWidget;
             }
             VisualizationGraphWidget* VisualizationZoneWidget::createGraph(
                 const std::vector<std::shared_ptr<Variable2>> variables, int index)
             {
                 if (variables.empty())
                 {
                     return nullptr;
                 }
                 auto graphWidget = createGraph(variables.front(), index);
                 for (auto variableIt = variables.cbegin() + 1; variableIt != variables.cend(); ++variableIt)
                 {
                     graphWidget->addVariable(*variableIt, graphWidget->graphRange());
                 }
                 return graphWidget;
             }
             VisualizationGraphWidget* VisualizationZoneWidget::firstGraph() const
             {
                 VisualizationGraphWidget* firstGraph = nullptr;
                 auto layout = ui->dragDropContainer->layout();
                 if (layout->count() > 0)
                 {
                     if (auto visualizationGraphWidget
                         = qobject_cast<VisualizationGraphWidget*>(layout->itemAt(0)->widget()))
                     {
                         firstGraph = visualizationGraphWidget;
                     }
                 }
                 return firstGraph;
             }
             void VisualizationZoneWidget::closeAllGraphs()
             {
                 processGraphs(*ui->dragDropContainer->layout(),
                     [](VisualizationGraphWidget& graphWidget) { graphWidget.close(); });
             }
             void VisualizationZoneWidget::accept(IVisualizationWidgetVisitor* visitor)
             {
                 if (visitor)
                 {
                     visitor->visitEnter(this);
                     // Apply visitor to graph children: widgets different from graphs are not visited (no
                     // action)
                     processGraphs(*ui->dragDropContainer->layout(),
                         [visitor](VisualizationGraphWidget& graphWidget) { graphWidget.accept(visitor); });
                     visitor->visitLeave(this);
                 }
                 else
                 {
                     qCCritical(LOG_VisualizationZoneWidget()) << tr("Can't visit widget : the visitor is null");
                 }
             }
             bool VisualizationZoneWidget::canDrop(Variable2& variable) const
             {
                 // A tab can always accomodate a variable
                 Q_UNUSED(variable);
                 return true;
             }
             bool VisualizationZoneWidget::contains(Variable2& variable) const
             {
                 Q_UNUSED(variable);
                 return false;
             }
             QString VisualizationZoneWidget::name() const
             {
                 return ui->zoneNameLabel->text();
             }
             QMimeData* VisualizationZoneWidget::mimeData(const QPoint& position) const
             {
                 Q_UNUSED(position);
                 auto mimeData = new QMimeData;
                 mimeData->setData(MIME::MIME_TYPE_ZONE, QByteArray {});
                 if (auto firstGraph = this->firstGraph())
                 {
                     auto timeRangeData = TimeController::mimeDataForTimeRange(firstGraph->graphRange());
                     mimeData->setData(MIME::MIME_TYPE_TIME_RANGE, timeRangeData);
                 }
                 return mimeData;
             }
             bool VisualizationZoneWidget::isDragAllowed() const
             {
                 return true;
             }
             void VisualizationZoneWidget::notifyMouseMoveInGraph(const QPointF& graphPosition,
                 const QPointF& plotPosition, VisualizationGraphWidget* graphWidget)
             {
                 processGraphs(*ui->dragDropContainer->layout(),
                     [&graphPosition, &plotPosition, &graphWidget](VisualizationGraphWidget& processedGraph) {
                         switch (sqpApp->plotsCursorMode())
                         {
                             case SqpApplication::PlotsCursorMode::Vertical:
                                 processedGraph.removeHorizontalCursor();
                                 processedGraph.addVerticalCursorAtViewportPosition(graphPosition.x());
                                 break;
                             case SqpApplication::PlotsCursorMode::Temporal:
                                 processedGraph.addVerticalCursor(plotPosition.x());
                                 processedGraph.removeHorizontalCursor();
                                 break;
                             case SqpApplication::PlotsCursorMode::Horizontal:
                                 processedGraph.removeVerticalCursor();
                                 if (&processedGraph == graphWidget)
                                 {
                                     processedGraph.addHorizontalCursorAtViewportPosition(graphPosition.y());
                                 }
                                 else
                                 {
                                     processedGraph.removeHorizontalCursor();
                                 }
                                 break;
                             case SqpApplication::PlotsCursorMode::Cross:
                                 if (&processedGraph == graphWidget)
                                 {
                                     processedGraph.addVerticalCursorAtViewportPosition(graphPosition.x());
                                     processedGraph.addHorizontalCursorAtViewportPosition(graphPosition.y());
                                 }
                                 else
                                 {
                                     processedGraph.removeHorizontalCursor();
                                     processedGraph.removeVerticalCursor();
                                 }
                                 break;
                             case SqpApplication::PlotsCursorMode::NoCursor:
                                 processedGraph.removeHorizontalCursor();
                                 processedGraph.removeVerticalCursor();
                                 break;
                         }
                     });
             }
             void VisualizationZoneWidget::notifyMouseLeaveGraph(VisualizationGraphWidget* graphWidget)
             {
                 processGraphs(*ui->dragDropContainer->layout(), [](VisualizationGraphWidget& processedGraph) {
                     processedGraph.removeHorizontalCursor();
                     processedGraph.removeVerticalCursor();
                 });
             }
             void VisualizationZoneWidget::closeEvent(QCloseEvent* event)
             {
                 // Closes graphs in the zone
                 processGraphs(*ui->dragDropContainer->layout(),
                     [](VisualizationGraphWidget& graphWidget) { graphWidget.close(); });
                 // Delete synchronization group from variable controller
                 QMetaObject::invokeMethod(&sqpApp->variableController(), "onRemoveSynchronizationGroupId",
                     Qt::QueuedConnection, Q_ARG(QUuid, impl->m_SynchronisationGroupId));
                 QWidget::closeEvent(event);
             }
             void VisualizationZoneWidget::onVariableAdded(std::shared_ptr<Variable2> variable)
             {
                 QMetaObject::invokeMethod(&sqpApp->variableController(), "onAddSynchronized",
                     Qt::QueuedConnection, Q_ARG(std::shared_ptr<Variable2>, variable),
                     Q_ARG(QUuid, impl->m_SynchronisationGroupId));
             }
             void VisualizationZoneWidget::onVariableAboutToBeRemoved(std::shared_ptr<Variable2> variable)
             {
                 QMetaObject::invokeMethod(&sqpApp->variableController(), "desynchronize", Qt::QueuedConnection,
                     Q_ARG(std::shared_ptr<Variable2>, variable), Q_ARG(QUuid, impl->m_SynchronisationGroupId));
             }
             void VisualizationZoneWidget::dropMimeData(int index, const QMimeData* mimeData)
             {
                 if (mimeData->hasFormat(MIME::MIME_TYPE_GRAPH))
                 {
                     impl->dropGraph(index, this);
                 }
                 else if (mimeData->hasFormat(MIME::MIME_TYPE_VARIABLE_LIST))
                 {
                     auto variables = sqpApp->variableController().variables(
                         Variable2::IDs(mimeData->data(MIME::MIME_TYPE_VARIABLE_LIST)));
                     impl->dropVariables(variables, index, this);
                 }
                 else if (mimeData->hasFormat(MIME::MIME_TYPE_PRODUCT_LIST))
                 {
                     auto products = MIME::decode(
                         mimeData->data(MIME::MIME_TYPE_PRODUCT_LIST));
                     impl->dropProducts(products, index, this);
                 }
                 else
                 {
                     qCWarning(LOG_VisualizationZoneWidget())
                         << tr("VisualizationZoneWidget::dropMimeData, unknown MIME data received.");
                 }
             }
             void VisualizationZoneWidget::dropMimeDataOnGraph(
                 VisualizationDragWidget* dragWidget, const QMimeData* mimeData)
             {
                 auto graphWidget = qobject_cast<VisualizationGraphWidget*>(dragWidget);
                 if (!graphWidget)
                 {
                     qCWarning(LOG_VisualizationZoneWidget())
                         << tr("VisualizationZoneWidget::dropMimeDataOnGraph, dropping in an unknown widget, "
                               "drop aborted");
                     Q_ASSERT(false);
                     return;
                 }
                 if (mimeData->hasFormat(MIME::MIME_TYPE_VARIABLE_LIST))
                 {
                     auto variables = sqpApp->variableController().variables(
                         Variable2::IDs(mimeData->data(MIME::MIME_TYPE_VARIABLE_LIST)));
                     for (const auto& var : variables)
                     {
                         graphWidget->addVariable(var, graphWidget->graphRange());
                     }
                 }
                 else if (mimeData->hasFormat(MIME::MIME_TYPE_PRODUCT_LIST))
                 {
                     auto products = MIME::decode(
                         mimeData->data(MIME::MIME_TYPE_PRODUCT_LIST));
                     auto context = new QObject { this };
                     auto range = TimeController::timeRangeForMimeData(mimeData->data(MIME::MIME_TYPE_TIME_RANGE));
                     // BTW this is really dangerous, this assumes the next created variable will be this one...
                     connect(&sqpApp->variableController(), &VariableController2::variableAdded, context,
                         [this, graphWidget, context, range](auto variable) {
                             if (sqpApp->variableController().isReady(variable))
                             {
                                 graphWidget->addVariable(variable, range);
                                 delete context;
                             }
                             else
                             {
                                 // -> this is pure insanity! this is a workaround to make a bad design work
                                 QObject::connect(variable.get(), &Variable2::updated, context,
                                     [graphWidget, context, range, variable]() {
                                         graphWidget->addVariable(variable, range);
                                         delete context;
                                     });
                             }
                         },
                         Qt::QueuedConnection);
                     auto productPath = products.first().toString();
                     QMetaObject::invokeMethod(&sqpApp->dataSources(), "createVariable",
                                               Qt::QueuedConnection, Q_ARG(QString, productPath));
                 }
                 else if (mimeData->hasFormat(MIME::MIME_TYPE_TIME_RANGE))
                 {
                     auto range = TimeController::timeRangeForMimeData(mimeData->data(MIME::MIME_TYPE_TIME_RANGE));
                     graphWidget->setGraphRange(range, true, true);
                 }
                 else
                 {
                     qCWarning(LOG_VisualizationZoneWidget())
                         << tr("VisualizationZoneWidget::dropMimeDataOnGraph, unknown MIME data received.");
                 }
             }
             void VisualizationZoneWidget::VisualizationZoneWidgetPrivate::dropGraph(
                 int index, VisualizationZoneWidget* zoneWidget)
             {
                 auto& helper = sqpApp->dragDropGuiController();
                 auto graphWidget = qobject_cast<VisualizationGraphWidget*>(helper.getCurrentDragWidget());
                 if (!graphWidget)
                 {
                     qCWarning(LOG_VisualizationZoneWidget())
                         << tr("VisualizationZoneWidget::dropGraph, drop aborted, the dropped graph is not "
                               "found or invalid.");
                     Q_ASSERT(false);
                     return;
                 }
                 auto parentDragDropContainer
                     = qobject_cast<VisualizationDragDropContainer*>(graphWidget->parentWidget());
                 if (!parentDragDropContainer)
                 {
                     qCWarning(LOG_VisualizationZoneWidget())
                         << tr("VisualizationZoneWidget::dropGraph, drop aborted, the parent container of "
                               "the dropped graph is not found.");
                     Q_ASSERT(false);
                     return;
                 }
                 const auto& variables = graphWidget->variables();
                 if (parentDragDropContainer != zoneWidget->ui->dragDropContainer && !variables.empty())
                 {
                     // The drop didn't occur in the same zone
                     // Abort the requests for the variables (if any)
                     // Commented, because it's not sure if it's needed or not
                     // for (const auto& var : variables)
                     //{
                     //    sqpApp->variableController().onAbortProgressRequested(var);
                     //}
                     auto previousParentZoneWidget = graphWidget->parentZoneWidget();
                     auto nbGraph = parentDragDropContainer->countDragWidget();
                     if (nbGraph == 1)
                     {
                         // This is the only graph in the previous zone, close the zone
                         helper.delayedCloseWidget(previousParentZoneWidget);
                     }
                     else
                     {
                         // Close the graph
                         helper.delayedCloseWidget(graphWidget);
                     }
                     // Creates the new graph in the zone
                     auto newGraphWidget = zoneWidget->createGraph(variables, index);
                     newGraphWidget->addSelectionZones(graphWidget->selectionZoneRanges());
                 }
                 else
                 {
                     // The drop occurred in the same zone or the graph is empty
                     // Simple move of the graph, no variable operation associated
                     parentDragDropContainer->layout()->removeWidget(graphWidget);
                     if (variables.empty() && parentDragDropContainer != zoneWidget->ui->dragDropContainer)
                     {
                         // The graph is empty and dropped in a different zone.
                         // Take the range of the first graph in the zone (if existing).
                         auto layout = zoneWidget->ui->dragDropContainer->layout();
                         if (layout->count() > 0)
                         {
                             if (auto visualizationGraphWidget
                                 = qobject_cast<VisualizationGraphWidget*>(layout->itemAt(0)->widget()))
                             {
                                 graphWidget->setGraphRange(visualizationGraphWidget->graphRange());
                             }
                         }
                     }
                     zoneWidget->ui->dragDropContainer->insertDragWidget(index, graphWidget);
                 }
             }
             void VisualizationZoneWidget::VisualizationZoneWidgetPrivate::dropVariables(
                 const std::vector<std::shared_ptr<Variable2>>& variables, int index,
                 VisualizationZoneWidget* zoneWidget)
             {
                 // Note: the AcceptMimeDataFunction (set on the drop container) ensure there is a single and
                 // compatible variable here
                 if (variables.size() > 1)
                 {
                     return;
                 }
                 zoneWidget->createGraph(variables, index);
             }
             void VisualizationZoneWidget::VisualizationZoneWidgetPrivate::dropProducts(
                 const QVariantList& productsData, int index, VisualizationZoneWidget* zoneWidget)
             {
                 // Note: the AcceptMimeDataFunction (set on the drop container) ensure there is a single and
                 // compatible variable here
                 if (productsData.count() != 1)
                 {
                     qCWarning(LOG_VisualizationZoneWidget())
                         << tr("VisualizationTabWidget::dropProducts, dropping multiple products, operation "
                               "aborted.");
                     return;
                 }
                 auto context = new QObject { zoneWidget };
                 connect(&sqpApp->variableController(), &VariableController2::variableAdded, context,
                     [this, index, zoneWidget, context](auto variable) {
                         zoneWidget->createGraph(variable, index);
                         delete context; // removes the connection
                     },
                     Qt::QueuedConnection);
                 auto productPath = productsData.first().toString();
                 QMetaObject::invokeMethod(&sqpApp->dataSources(), "createVariable",
                                           Qt::QueuedConnection, Q_ARG(QString, productPath));
             }

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