HG_REPOSITORIES/LPP/SciQLOP_Repos/SciQLop Commit - r1383:e8413fdb1b68

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#include "Visualization/VisualizationGraphWidget.h"

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#include "Visualization/VisualizationGraphWidget.h"

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#include "Visualization/IVisualizationWidgetVisitor.h"

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#include "Visualization/IVisualizationWidgetVisitor.h"

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#include "Visualization/VisualizationCursorItem.h"

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#include "Visualization/VisualizationCursorItem.h"

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#include "Visualization/VisualizationDefs.h"

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#include "Visualization/VisualizationDefs.h"

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#include "Visualization/VisualizationGraphHelper.h"

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#include "Visualization/VisualizationGraphHelper.h"

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#include "Visualization/VisualizationGraphRenderingDelegate.h"

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#include "Visualization/VisualizationGraphRenderingDelegate.h"

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#include "Visualization/VisualizationMultiZoneSelectionDialog.h"

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#include "Visualization/VisualizationMultiZoneSelectionDialog.h"

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#include "Visualization/VisualizationSelectionZoneItem.h"

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#include "Visualization/VisualizationSelectionZoneItem.h"

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#include "Visualization/VisualizationSelectionZoneManager.h"

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#include "Visualization/VisualizationSelectionZoneManager.h"

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#include "Visualization/VisualizationWidget.h"

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#include "Visualization/VisualizationWidget.h"

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#include "Visualization/VisualizationZoneWidget.h"

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#include "Visualization/VisualizationZoneWidget.h"

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#include "ui_VisualizationGraphWidget.h"

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#include "ui_VisualizationGraphWidget.h"

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#include <Actions/ActionsGuiController.h>

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#include <Actions/ActionsGuiController.h>

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#include <Actions/FilteringAction.h>

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#include <Actions/FilteringAction.h>

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#include <Common/MimeTypesDef.h>

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#include <Common/MimeTypesDef.h>

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#include <Data/ArrayData.h>

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#include <Data/ArrayData.h>

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#include <Data/IDataSeries.h>

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#include <Data/IDataSeries.h>

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#include <Data/SpectrogramSeries.h>

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#include <Data/SpectrogramSeries.h>

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#include <DragAndDrop/DragDropGuiController.h>

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#include <DragAndDrop/DragDropGuiController.h>

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#include <Settings/SqpSettingsDefs.h>

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#include <Settings/SqpSettingsDefs.h>

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#include <SqpApplication.h>

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#include <SqpApplication.h>

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#include <Time/TimeController.h>

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#include <Time/TimeController.h>

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#include <Variable/Variable.h>

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#include <Variable/Variable.h>

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#include <Variable/VariableController2.h>

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#include <Variable/VariableController2.h>

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#include <Data/DateTimeRangeHelper.h>

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#include <Data/DateTimeRangeHelper.h>

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#include <unordered_map>

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#include <unordered_map>

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Q_LOGGING_CATEGORY(LOG_VisualizationGraphWidget, "VisualizationGraphWidget")

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Q_LOGGING_CATEGORY(LOG_VisualizationGraphWidget, "VisualizationGraphWidget")

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namespace {

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namespace {

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/// Key pressed to enable drag&drop in all modes

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/// Key pressed to enable drag&drop in all modes

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const auto DRAG_DROP_MODIFIER = Qt::AltModifier;

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const auto DRAG_DROP_MODIFIER = Qt::AltModifier;

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/// Key pressed to enable zoom on horizontal axis

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/// Key pressed to enable zoom on horizontal axis

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const auto HORIZONTAL_ZOOM_MODIFIER = Qt::ControlModifier;

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const auto HORIZONTAL_ZOOM_MODIFIER = Qt::ControlModifier;

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/// Key pressed to enable zoom on vertical axis

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/// Key pressed to enable zoom on vertical axis

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const auto VERTICAL_ZOOM_MODIFIER = Qt::ShiftModifier;

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const auto VERTICAL_ZOOM_MODIFIER = Qt::ShiftModifier;

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/// Speed of a step of a wheel event for a pan, in percentage of the axis range

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/// Speed of a step of a wheel event for a pan, in percentage of the axis range

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const auto PAN_SPEED = 5;

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const auto PAN_SPEED = 5;

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/// Key pressed to enable a calibration pan

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/// Key pressed to enable a calibration pan

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const auto VERTICAL_PAN_MODIFIER = Qt::AltModifier;

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const auto VERTICAL_PAN_MODIFIER = Qt::AltModifier;

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/// Key pressed to enable multi selection of selection zones

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/// Key pressed to enable multi selection of selection zones

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const auto MULTI_ZONE_SELECTION_MODIFIER = Qt::ControlModifier;

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const auto MULTI_ZONE_SELECTION_MODIFIER = Qt::ControlModifier;

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/// Minimum size for the zoom box, in percentage of the axis range

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/// Minimum size for the zoom box, in percentage of the axis range

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const auto ZOOM_BOX_MIN_SIZE = 0.8;

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const auto ZOOM_BOX_MIN_SIZE = 0.8;

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/// Format of the dates appearing in the label of a cursor

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/// Format of the dates appearing in the label of a cursor

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const auto CURSOR_LABELS_DATETIME_FORMAT = QStringLiteral("yyyy/MM/dd\nhh:mm:ss:zzz");

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const auto CURSOR_LABELS_DATETIME_FORMAT = QStringLiteral("yyyy/MM/dd\nhh:mm:ss:zzz");

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} // namespace

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} // namespace

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struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate {

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struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate {

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explicit VisualizationGraphWidgetPrivate(const QString &name)

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explicit VisualizationGraphWidgetPrivate(const QString &name)

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: m_Name{name},

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: m_Name{name},

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m_Flags{GraphFlag::EnableAll},

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m_Flags{GraphFlag::EnableAll},

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m_IsCalibration{false},

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m_IsCalibration{false},

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m_RenderingDelegate{nullptr}

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m_RenderingDelegate{nullptr}

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{

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{

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m_plot = new QCustomPlot();

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m_plot = new QCustomPlot();

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// Necessary for all platform since Qt::AA_EnableHighDpiScaling is enable.

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// Necessary for all platform since Qt::AA_EnableHighDpiScaling is enable.

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m_plot->setPlottingHint(QCP::phFastPolylines, true);

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m_plot->setPlottingHint(QCP::phFastPolylines, true);

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}

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}

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void updateData(PlottablesMap &plottables, std::shared_ptr<Variable> variable,

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void updateData(PlottablesMap &plottables, std::shared_ptr<Variable> variable,

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const DateTimeRange &range)

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const DateTimeRange &range)

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{

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{

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VisualizationGraphHelper::updateData(plottables, variable, range);

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VisualizationGraphHelper::updateData(plottables, variable, range);

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// Prevents that data has changed to update rendering

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// Prevents that data has changed to update rendering

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m_RenderingDelegate->onPlotUpdated();

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m_RenderingDelegate->onPlotUpdated();

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}

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}

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QString m_Name;

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QString m_Name;

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// 1 variable -> n qcpplot

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// 1 variable -> n qcpplot

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std::map<std::shared_ptr<Variable>, PlottablesMap> m_VariableToPlotMultiMap;

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std::map<std::shared_ptr<Variable>, PlottablesMap> m_VariableToPlotMultiMap;

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GraphFlags m_Flags;

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GraphFlags m_Flags;

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bool m_IsCalibration;

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bool m_IsCalibration;

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QCustomPlot* m_plot;

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QCustomPlot* m_plot;

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QPoint m_lastMousePos;

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QPoint m_lastMousePos;

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QCPRange m_lastXRange;

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QCPRange m_lastXRange;

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QCPRange m_lastYRange;

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QCPRange m_lastYRange;

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/// Delegate used to attach rendering features to the plot

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/// Delegate used to attach rendering features to the plot

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std::unique_ptr<VisualizationGraphRenderingDelegate> m_RenderingDelegate;

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std::unique_ptr<VisualizationGraphRenderingDelegate> m_RenderingDelegate;

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QCPItemRect* m_DrawingZoomRect = nullptr;

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QCPItemRect* m_DrawingZoomRect = nullptr;

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QStack<QPair<QCPRange, QCPRange> > m_ZoomStack;

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QStack<QPair<QCPRange, QCPRange> > m_ZoomStack;

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std::unique_ptr<VisualizationCursorItem> m_HorizontalCursor = nullptr;

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std::unique_ptr<VisualizationCursorItem> m_HorizontalCursor = nullptr;

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std::unique_ptr<VisualizationCursorItem> m_VerticalCursor = nullptr;

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std::unique_ptr<VisualizationCursorItem> m_VerticalCursor = nullptr;

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VisualizationSelectionZoneItem *m_DrawingZone = nullptr;

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VisualizationSelectionZoneItem *m_DrawingZone = nullptr;

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VisualizationSelectionZoneItem *m_HoveredZone = nullptr;

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VisualizationSelectionZoneItem *m_HoveredZone = nullptr;

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QVector<VisualizationSelectionZoneItem *> m_SelectionZones;

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QVector<VisualizationSelectionZoneItem *> m_SelectionZones;

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bool m_HasMovedMouse = false; // Indicates if the mouse moved in a releaseMouse even

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bool m_HasMovedMouse = false; // Indicates if the mouse moved in a releaseMouse even

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bool m_VariableAutoRangeOnInit = true;

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bool m_VariableAutoRangeOnInit = true;

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inline void enterPlotDrag(const QPoint& position)

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inline void enterPlotDrag(const QPoint& position)

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{

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{

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m_lastMousePos = m_plot->mapFromParent(position);

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m_lastMousePos = m_plot->mapFromParent(position);

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m_lastXRange = m_plot->xAxis->range();

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m_lastXRange = m_plot->xAxis->range();

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m_lastYRange = m_plot->yAxis->range();

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m_lastYRange = m_plot->yAxis->range();

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}

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}

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inline bool isDrawingZoomRect(){return m_DrawingZoomRect!=nullptr;}

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inline bool isDrawingZoomRect(){return m_DrawingZoomRect!=nullptr;}

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void updateZoomRect(const QPoint& newPos)

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void updateZoomRect(const QPoint& newPos)

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{

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{

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QPointF pos{m_plot->xAxis->pixelToCoord(newPos.x()), m_plot->yAxis->pixelToCoord(newPos.y())};

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QPointF pos{m_plot->xAxis->pixelToCoord(newPos.x()), m_plot->yAxis->pixelToCoord(newPos.y())};

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m_DrawingZoomRect->bottomRight->setCoords(pos);

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m_DrawingZoomRect->bottomRight->setCoords(pos);

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m_plot->replot(QCustomPlot::rpQueuedReplot);

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m_plot->replot(QCustomPlot::rpQueuedReplot);

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}

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}

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void applyZoomRect()

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void applyZoomRect()

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{

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{

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

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

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auto axisY = m_plot->axisRect()->axis(QCPAxis::atLeft);

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auto axisY = m_plot->axisRect()->axis(QCPAxis::atLeft);

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auto newAxisXRange = QCPRange{m_DrawingZoomRect->topLeft->coords().x(),

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auto newAxisXRange = QCPRange{m_DrawingZoomRect->topLeft->coords().x(),

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m_DrawingZoomRect->bottomRight->coords().x()};

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m_DrawingZoomRect->bottomRight->coords().x()};

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auto newAxisYRange = QCPRange{m_DrawingZoomRect->topLeft->coords().y(),

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auto newAxisYRange = QCPRange{m_DrawingZoomRect->topLeft->coords().y(),

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m_DrawingZoomRect->bottomRight->coords().y()};

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m_DrawingZoomRect->bottomRight->coords().y()};

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removeDrawingRect();

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removeDrawingRect();

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if (newAxisXRange.size() > axisX->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)

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if (newAxisXRange.size() > axisX->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)

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&& newAxisYRange.size() > axisY->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)) {

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&& newAxisYRange.size() > axisY->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)) {

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m_ZoomStack.push(qMakePair(axisX->range(), axisY->range()));

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m_ZoomStack.push(qMakePair(axisX->range(), axisY->range()));

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axisX->setRange(newAxisXRange);

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axisX->setRange(newAxisXRange);

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axisY->setRange(newAxisYRange);

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axisY->setRange(newAxisYRange);

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m_plot->replot(QCustomPlot::rpQueuedReplot);

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m_plot->replot(QCustomPlot::rpQueuedReplot);

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}

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}

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}

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}

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inline bool isDrawingZoneRect(){return m_DrawingZone!=nullptr;}

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inline bool isDrawingZoneRect(){return m_DrawingZone!=nullptr;}

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void updateZoneRect(const QPoint& newPos)

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void updateZoneRect(const QPoint& newPos)

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{

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{

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m_DrawingZone->setEnd(m_plot->xAxis->pixelToCoord(newPos.x()));

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m_DrawingZone->setEnd(m_plot->xAxis->pixelToCoord(newPos.x()));

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m_plot->replot(QCustomPlot::rpQueuedReplot);

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m_plot->replot(QCustomPlot::rpQueuedReplot);

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}

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}

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void startDrawingRect(const QPoint &pos)

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void startDrawingRect(const QPoint &pos)

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{

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{

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removeDrawingRect();

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removeDrawingRect();

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auto axisPos = posToAxisPos(pos);

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auto axisPos = posToAxisPos(pos);

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m_DrawingZoomRect = new QCPItemRect{m_plot};

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m_DrawingZoomRect = new QCPItemRect{m_plot};

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QPen p;

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QPen p;

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p.setWidth(2);

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p.setWidth(2);

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m_DrawingZoomRect->setPen(p);

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m_DrawingZoomRect->setPen(p);

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m_DrawingZoomRect->topLeft->setCoords(axisPos);

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m_DrawingZoomRect->topLeft->setCoords(axisPos);

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m_DrawingZoomRect->bottomRight->setCoords(axisPos);

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m_DrawingZoomRect->bottomRight->setCoords(axisPos);

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}

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}

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void removeDrawingRect()

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void removeDrawingRect()

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{

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{

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if (m_DrawingZoomRect) {

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if (m_DrawingZoomRect) {

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m_plot->removeItem(m_DrawingZoomRect); // the item is deleted by QCustomPlot

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m_plot->removeItem(m_DrawingZoomRect); // the item is deleted by QCustomPlot

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m_DrawingZoomRect = nullptr;

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m_DrawingZoomRect = nullptr;

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m_plot->replot(QCustomPlot::rpQueuedReplot);

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m_plot->replot(QCustomPlot::rpQueuedReplot);

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}

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}

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}

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}

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void selectZone(const QPoint &pos)

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void selectZone(const QPoint &pos)

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{

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{

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auto zoneAtPos = selectionZoneAt(pos);

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auto zoneAtPos = selectionZoneAt(pos);

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setSelectionZonesEditionEnabled(sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones);

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setSelectionZonesEditionEnabled(sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones);

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}

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}

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void startDrawingZone(const QPoint &pos)

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void startDrawingZone(const QPoint &pos)

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{

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{

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endDrawingZone();

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endDrawingZone();

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auto axisPos = posToAxisPos(pos);

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auto axisPos = posToAxisPos(pos);

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m_DrawingZone = new VisualizationSelectionZoneItem{m_plot};

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m_DrawingZone = new VisualizationSelectionZoneItem{m_plot};

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m_DrawingZone->setRange(axisPos.x(), axisPos.x());

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m_DrawingZone->setRange(axisPos.x(), axisPos.x());

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m_DrawingZone->setEditionEnabled(false);

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m_DrawingZone->setEditionEnabled(false);

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}

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}

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void endDrawingZone()

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void endDrawingZone()

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{

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{

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if (m_DrawingZone) {

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if (m_DrawingZone) {

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auto drawingZoneRange = m_DrawingZone->range();

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auto drawingZoneRange = m_DrawingZone->range();

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if (qAbs(drawingZoneRange.m_TEnd - drawingZoneRange.m_TStart) > 0) {

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if (qAbs(drawingZoneRange.m_TEnd - drawingZoneRange.m_TStart) > 0) {

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m_DrawingZone->setEditionEnabled(true);

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m_DrawingZone->setEditionEnabled(true);

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addSelectionZone(m_DrawingZone);

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addSelectionZone(m_DrawingZone);

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}

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}

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else {

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else {

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m_plot->removeItem(m_DrawingZone);

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m_plot->removeItem(m_DrawingZone);

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}

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}

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m_plot->replot(QCustomPlot::rpQueuedReplot);

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m_plot->replot(QCustomPlot::rpQueuedReplot);

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m_DrawingZone = nullptr;

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m_DrawingZone = nullptr;

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}

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}

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}

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}

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void moveSelectionZone(const QPoint& destination)

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void moveSelectionZone(const QPoint& destination)

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{

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{

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/*

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/*

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* I give up on this for now

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* I give up on this for now

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* @TODO implement this, the difficulty is that selection zones have their own

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* @TODO implement this, the difficulty is that selection zones have their own

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* event handling code which seems to rely on QCP GUI event handling propagation

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* event handling code which seems to rely on QCP GUI event handling propagation

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* which was a realy bad design choice.

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* which was a realy bad design choice.

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*/

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*/

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}

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}

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void setSelectionZonesEditionEnabled(bool value)

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void setSelectionZonesEditionEnabled(bool value)

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{

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{

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for (auto s : m_SelectionZones) {

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for (auto s : m_SelectionZones) {

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s->setEditionEnabled(value);

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s->setEditionEnabled(value);

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}

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}

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}

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}

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void addSelectionZone(VisualizationSelectionZoneItem *zone) { m_SelectionZones << zone; }

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void addSelectionZone(VisualizationSelectionZoneItem *zone) { m_SelectionZones << zone; }

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VisualizationSelectionZoneItem *selectionZoneAt(const QPoint &pos) const

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VisualizationSelectionZoneItem *selectionZoneAt(const QPoint &pos) const

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{

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{

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VisualizationSelectionZoneItem *selectionZoneItemUnderCursor = nullptr;

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VisualizationSelectionZoneItem *selectionZoneItemUnderCursor = nullptr;

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auto minDistanceToZone = -1;

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auto minDistanceToZone = -1;

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for (auto zone : m_SelectionZones) {

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for (auto zone : m_SelectionZones) {

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auto distanceToZone = zone->selectTest(pos, false);

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auto distanceToZone = zone->selectTest(pos, false);

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if ((minDistanceToZone < 0 || distanceToZone <= minDistanceToZone)

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if ((minDistanceToZone < 0 || distanceToZone <= minDistanceToZone)

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&& distanceToZone >= 0 && distanceToZone < m_plot->selectionTolerance()) {

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&& distanceToZone >= 0 && distanceToZone < m_plot->selectionTolerance()) {

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selectionZoneItemUnderCursor = zone;

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selectionZoneItemUnderCursor = zone;

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}

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}

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}

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}

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return selectionZoneItemUnderCursor;

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return selectionZoneItemUnderCursor;

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}

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}

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QVector<VisualizationSelectionZoneItem *> selectionZonesAt(const QPoint &pos,

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QVector<VisualizationSelectionZoneItem *> selectionZonesAt(const QPoint &pos,

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const QCustomPlot &plot) const

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const QCustomPlot &plot) const

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{

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{

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QVector<VisualizationSelectionZoneItem *> zones;

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QVector<VisualizationSelectionZoneItem *> zones;

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for (auto zone : m_SelectionZones) {

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for (auto zone : m_SelectionZones) {

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auto distanceToZone = zone->selectTest(pos, false);

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auto distanceToZone = zone->selectTest(pos, false);

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if (distanceToZone >= 0 && distanceToZone < plot.selectionTolerance()) {

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if (distanceToZone >= 0 && distanceToZone < plot.selectionTolerance()) {

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zones << zone;

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zones << zone;

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}

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}

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}

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}

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return zones;

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return zones;

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}

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}

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void moveSelectionZoneOnTop(VisualizationSelectionZoneItem *zone, QCustomPlot &plot)

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void moveSelectionZoneOnTop(VisualizationSelectionZoneItem *zone, QCustomPlot &plot)

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{

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{

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if (!m_SelectionZones.isEmpty() && m_SelectionZones.last() != zone) {

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if (!m_SelectionZones.isEmpty() && m_SelectionZones.last() != zone) {

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zone->moveToTop();

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zone->moveToTop();

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m_SelectionZones.removeAll(zone);

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m_SelectionZones.removeAll(zone);

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m_SelectionZones.append(zone);

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m_SelectionZones.append(zone);

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}

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}

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}

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}

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QPointF posToAxisPos(const QPoint &pos) const

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QPointF posToAxisPos(const QPoint &pos) const

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{

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{

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

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

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auto axisY = m_plot->axisRect()->axis(QCPAxis::atLeft);

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auto axisY = m_plot->axisRect()->axis(QCPAxis::atLeft);

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return QPointF{axisX->pixelToCoord(pos.x()), axisY->pixelToCoord(pos.y())};

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return QPointF{axisX->pixelToCoord(pos.x()), axisY->pixelToCoord(pos.y())};

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}

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}

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bool pointIsInAxisRect(const QPointF &axisPoint, QCustomPlot &plot) const

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bool pointIsInAxisRect(const QPointF &axisPoint, QCustomPlot &plot) const

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{

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{

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auto axisX = plot.axisRect()->axis(QCPAxis::atBottom);

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auto axisX = plot.axisRect()->axis(QCPAxis::atBottom);

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auto axisY = plot.axisRect()->axis(QCPAxis::atLeft);

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auto axisY = plot.axisRect()->axis(QCPAxis::atLeft);

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return axisX->range().contains(axisPoint.x()) && axisY->range().contains(axisPoint.y());

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return axisX->range().contains(axisPoint.x()) && axisY->range().contains(axisPoint.y());

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}

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}

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inline QCPRange _pixDistanceToRange(double pos1, double pos2, QCPAxis *axis)

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inline QCPRange _pixDistanceToRange(double pos1, double pos2, QCPAxis *axis)

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{

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{

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if (axis->scaleType() == QCPAxis::stLinear)

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if (axis->scaleType() == QCPAxis::stLinear)

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{

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{

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auto diff = axis->pixelToCoord(pos1) - axis->pixelToCoord(pos2);

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auto diff = axis->pixelToCoord(pos1) - axis->pixelToCoord(pos2);

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return QCPRange{axis->range().lower + diff, axis->range().upper + diff};

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return QCPRange{axis->range().lower + diff, axis->range().upper + diff};

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}

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}

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else

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else

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{

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{

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auto diff = axis->pixelToCoord(pos1) / axis->pixelToCoord(pos2);

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auto diff = axis->pixelToCoord(pos1) / axis->pixelToCoord(pos2);

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return QCPRange{axis->range().lower * diff, axis->range().upper * diff};

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return QCPRange{axis->range().lower * diff, axis->range().upper * diff};

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}

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}

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}

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}

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void setRange(const DateTimeRange &newRange, bool updateVar=true)

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void setRange(const DateTimeRange &newRange, bool updateVar=true)

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{

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{

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this->m_plot->xAxis->setRange(newRange.m_TStart, newRange.m_TEnd);

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this->m_plot->xAxis->setRange(newRange.m_TStart, newRange.m_TEnd);

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if(updateVar)

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if(updateVar)

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{

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{

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for (auto it = m_VariableToPlotMultiMap.begin(),

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for (auto it = m_VariableToPlotMultiMap.begin(),

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end = m_VariableToPlotMultiMap.end();

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end = m_VariableToPlotMultiMap.end();

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it != end; it = m_VariableToPlotMultiMap.upper_bound(it->first))

304

it != end; it = m_VariableToPlotMultiMap.upper_bound(it->first))

305

{

305

{

306

sqpApp->variableController().asyncChangeRange(it->first, newRange);

306

sqpApp->variableController().asyncChangeRange(it->first, newRange);

307

}

307

}

308

}

308

}

309

m_plot->replot(QCustomPlot::rpQueuedReplot);

309

m_plot->replot(QCustomPlot::rpQueuedReplot);

310

}

310

}

311

312

void setRange(const QCPRange &newRange)

312

void setRange(const QCPRange &newRange)

313

{

313

{

314

auto graphRange = DateTimeRange{newRange.lower, newRange.upper};

314

auto graphRange = DateTimeRange{newRange.lower, newRange.upper};

315

setRange(graphRange);

315

setRange(graphRange);

316

}

316

}

317

318

void rescaleY()

318

void rescaleY()

319

{

319

{

320

m_plot->yAxis->rescale(true);

320

m_plot->yAxis->rescale(true);

321

}

321

}

322

323

std::tuple<double,double> moveGraph(const QPoint& destination)

323

std::tuple<double,double> moveGraph(const QPoint& destination)

324

{

324

{

325

auto currentPos = m_plot->mapFromParent(destination);

325

auto currentPos = m_plot->mapFromParent(destination);

326

auto xAxis = m_plot->axisRect()->rangeDragAxis(Qt::Horizontal);

326

auto xAxis = m_plot->axisRect()->rangeDragAxis(Qt::Horizontal);

327

auto yAxis = m_plot->axisRect()->rangeDragAxis(Qt::Vertical);

327

auto yAxis = m_plot->axisRect()->rangeDragAxis(Qt::Vertical);

328

auto oldXRange = xAxis->range();

328

auto oldXRange = xAxis->range();

329

auto oldYRange = yAxis->range();

329

auto oldYRange = yAxis->range();

330

double dx = xAxis->pixelToCoord(m_lastMousePos.x()) - xAxis->pixelToCoord(currentPos.x());

330

double dx = xAxis->pixelToCoord(m_lastMousePos.x()) - xAxis->pixelToCoord(currentPos.x());

331

xAxis->setRange(m_lastXRange.lower+dx, m_lastXRange.upper+dx);

331

xAxis->setRange(m_lastXRange.lower+dx, m_lastXRange.upper+dx);

332

if(yAxis->scaleType() == QCPAxis::stLinear)

332

if(yAxis->scaleType() == QCPAxis::stLinear)

333

{

333

{

334

double dy = yAxis->pixelToCoord(m_lastMousePos.y()) - yAxis->pixelToCoord(currentPos.y());

334

double dy = yAxis->pixelToCoord(m_lastMousePos.y()) - yAxis->pixelToCoord(currentPos.y());

335

yAxis->setRange(m_lastYRange.lower+dy, m_lastYRange.upper+dy);

335

yAxis->setRange(m_lastYRange.lower+dy, m_lastYRange.upper+dy);

336

}

336

}

337

else

337

else

338

{

338

{

339

double dy = yAxis->pixelToCoord(m_lastMousePos.y()) / yAxis->pixelToCoord(currentPos.y());

339

double dy = yAxis->pixelToCoord(m_lastMousePos.y()) / yAxis->pixelToCoord(currentPos.y());

340

yAxis->setRange(m_lastYRange.lower*dy, m_lastYRange.upper*dy);

340

yAxis->setRange(m_lastYRange.lower*dy, m_lastYRange.upper*dy);

341

}

341

}

342

auto newXRange = xAxis->range();

342

auto newXRange = xAxis->range();

343

auto newYRange = yAxis->range();

343

auto newYRange = yAxis->range();

344

setRange(xAxis->range());

344

setRange(xAxis->range());

345

//m_lastMousePos = currentPos;

345

//m_lastMousePos = currentPos;

346

return {newXRange.lower - oldXRange.lower, newYRange.lower - oldYRange.lower};

346

return {newXRange.lower - oldXRange.lower, newYRange.lower - oldYRange.lower};

347

}

347

}

348

349

void zoom(double factor, int center, Qt::Orientation orientation)

349

void zoom(double factor, int center, Qt::Orientation orientation)

350

{

350

{

351

QCPAxis *axis = m_plot->axisRect()->rangeZoomAxis(orientation);

351

QCPAxis *axis = m_plot->axisRect()->rangeZoomAxis(orientation);

352

axis->scaleRange(factor, axis->pixelToCoord(center));

352

axis->scaleRange(factor, axis->pixelToCoord(center));

353

if (orientation == Qt::Horizontal)

353

if (orientation == Qt::Horizontal)

354

setRange(axis->range());

354

setRange(axis->range());

355

m_plot->replot(QCustomPlot::rpQueuedReplot);

355

m_plot->replot(QCustomPlot::rpQueuedReplot);

356

}

356

}

357

358

void transform(const DateTimeRangeTransformation &tranformation)

358

void transform(const DateTimeRangeTransformation &tranformation)

359

{

359

{

360

auto graphRange = m_plot->xAxis->range();

360

auto graphRange = m_plot->xAxis->range();

361

DateTimeRange range{graphRange.lower, graphRange.upper};

361

DateTimeRange range{graphRange.lower, graphRange.upper};

362

range = range.transform(tranformation);

362

range = range.transform(tranformation);

363

setRange(range);

363

setRange(range);

364

m_plot->replot(QCustomPlot::rpQueuedReplot);

364

m_plot->replot(QCustomPlot::rpQueuedReplot);

365

}

365

}

366

367

void move(double dx, double dy)

367

void move(double dx, double dy)

368

{

368

{

369

auto xAxis = m_plot->axisRect()->rangeDragAxis(Qt::Horizontal);

369

auto xAxis = m_plot->axisRect()->rangeDragAxis(Qt::Horizontal);

370

auto yAxis = m_plot->axisRect()->rangeDragAxis(Qt::Vertical);

370

auto yAxis = m_plot->axisRect()->rangeDragAxis(Qt::Vertical);

371

xAxis->setRange(QCPRange(xAxis->range().lower+dx, xAxis->range().upper+dx));

371

xAxis->setRange(QCPRange(xAxis->range().lower+dx, xAxis->range().upper+dx));

372

yAxis->setRange(QCPRange(yAxis->range().lower+dy, yAxis->range().upper+dy));

372

yAxis->setRange(QCPRange(yAxis->range().lower+dy, yAxis->range().upper+dy));

373

setRange(xAxis->range());

373

setRange(xAxis->range());

374

m_plot->replot(QCustomPlot::rpQueuedReplot);

374

m_plot->replot(QCustomPlot::rpQueuedReplot);

375

}

375

}

376

377

void move(double factor, Qt::Orientation orientation)

377

void move(double factor, Qt::Orientation orientation)

378

{

378

{

379

auto oldRange = m_plot->xAxis->range();

379

auto oldRange = m_plot->xAxis->range();

380

QCPAxis *axis = m_plot->axisRect()->rangeDragAxis(orientation);

380

QCPAxis *axis = m_plot->axisRect()->rangeDragAxis(orientation);

381

if (m_plot->xAxis->scaleType() == QCPAxis::stLinear) {

381

if (m_plot->xAxis->scaleType() == QCPAxis::stLinear) {

382

double rg = (axis->range().upper - axis->range().lower) * (factor / 10);

382

double rg = (axis->range().upper - axis->range().lower) * (factor / 10);

383

axis->setRange(axis->range().lower + (rg), axis->range().upper + (rg));

383

axis->setRange(axis->range().lower + (rg), axis->range().upper + (rg));

384

}

384

}

385

else if (m_plot->xAxis->scaleType() == QCPAxis::stLogarithmic) {

385

else if (m_plot->xAxis->scaleType() == QCPAxis::stLogarithmic) {

386

int start = 0, stop = 0;

386

int start = 0, stop = 0;

387

double diff = 0.;

387

double diff = 0.;

388

if (factor > 0.0) {

388

if (factor > 0.0) {

389

stop = m_plot->width() * factor / 10;

389

stop = m_plot->width() * factor / 10;

390

start = 2 * m_plot->width() * factor / 10;

390

start = 2 * m_plot->width() * factor / 10;

391

}

391

}

392

if (factor < 0.0) {

392

if (factor < 0.0) {

393

factor *= -1.0;

393

factor *= -1.0;

394

start = m_plot->width() * factor / 10;

394

start = m_plot->width() * factor / 10;

395

stop = 2 * m_plot->width() * factor / 10;

395

stop = 2 * m_plot->width() * factor / 10;

396

}

396

}

397

diff = axis->pixelToCoord(start) / axis->pixelToCoord(stop);

397

diff = axis->pixelToCoord(start) / axis->pixelToCoord(stop);

398

axis->setRange(m_plot->axisRect()->rangeDragAxis(orientation)->range().lower * diff,

398

axis->setRange(m_plot->axisRect()->rangeDragAxis(orientation)->range().lower * diff,

399

m_plot->axisRect()->rangeDragAxis(orientation)->range().upper * diff);

399

m_plot->axisRect()->rangeDragAxis(orientation)->range().upper * diff);

400

}

400

}

401

if (orientation == Qt::Horizontal)

401

if (orientation == Qt::Horizontal)

402

setRange(axis->range());

402

setRange(axis->range());

403

m_plot->replot(QCustomPlot::rpQueuedReplot);

403

m_plot->replot(QCustomPlot::rpQueuedReplot);

404

}

404

}

405

};

405

};

406

407

VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget *parent)

407

VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget *parent)

408

: VisualizationDragWidget{parent},

408

: VisualizationDragWidget{parent},

409

ui{new Ui::VisualizationGraphWidget},

409

ui{new Ui::VisualizationGraphWidget},

410

impl{spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>(name)}

410

impl{spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>(name)}

411

{

411

{

412

ui->setupUi(this);

412

ui->setupUi(this);

413

this->layout()->addWidget(impl->m_plot);

413

this->layout()->addWidget(impl->m_plot);

414

// 'Close' options : widget is deleted when closed

414

// 'Close' options : widget is deleted when closed

415

setAttribute(Qt::WA_DeleteOnClose);

415

setAttribute(Qt::WA_DeleteOnClose);

416

417

// The delegate must be initialized after the ui as it uses the plot

417

// The delegate must be initialized after the ui as it uses the plot

418

impl->m_RenderingDelegate = std::make_unique<VisualizationGraphRenderingDelegate>(*this);

418

impl->m_RenderingDelegate = std::make_unique<VisualizationGraphRenderingDelegate>(*this);

419

420

// Init the cursors

420

// Init the cursors

421

impl->m_HorizontalCursor = std::make_unique<VisualizationCursorItem>(&plot());

421

impl->m_HorizontalCursor = std::make_unique<VisualizationCursorItem>(&plot());

422

impl->m_HorizontalCursor->setOrientation(Qt::Horizontal);

422

impl->m_HorizontalCursor->setOrientation(Qt::Horizontal);

423

impl->m_VerticalCursor = std::make_unique<VisualizationCursorItem>(&plot());

423

impl->m_VerticalCursor = std::make_unique<VisualizationCursorItem>(&plot());

424

impl->m_VerticalCursor->setOrientation(Qt::Vertical);

424

impl->m_VerticalCursor->setOrientation(Qt::Vertical);

425

426

this->setFocusPolicy(Qt::WheelFocus);

426

this->setFocusPolicy(Qt::WheelFocus);

427

this->setMouseTracking(true);

427

this->setMouseTracking(true);

428

impl->m_plot->setAttribute(Qt::WA_TransparentForMouseEvents);

428

impl->m_plot->setAttribute(Qt::WA_TransparentForMouseEvents);

429

impl->m_plot->setContextMenuPolicy(Qt::CustomContextMenu);

429

impl->m_plot->setContextMenuPolicy(Qt::CustomContextMenu);

430

impl->m_plot->setParent(this);

430

impl->m_plot->setParent(this);

431

432

connect(&sqpApp->variableController(), &VariableController2::variableDeleted, this, &VisualizationGraphWidget::variableDeleted);

432

connect(&sqpApp->variableController(), &VariableController2::variableDeleted, this, &VisualizationGraphWidget::variableDeleted);

433

}

433

}

434

435

436

VisualizationGraphWidget::~VisualizationGraphWidget()

436

VisualizationGraphWidget::~VisualizationGraphWidget()

437

{

437

{

438

delete ui;

438

delete ui;

439

}

439

}

440

441

VisualizationZoneWidget *VisualizationGraphWidget::parentZoneWidget() const noexcept

441

VisualizationZoneWidget *VisualizationGraphWidget::parentZoneWidget() const noexcept

442

{

442

{

443

auto parent = parentWidget();

443

auto parent = parentWidget();

444

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

444

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

445

parent = parent->parentWidget();

445

parent = parent->parentWidget();

446

}

446

}

447

448

return qobject_cast<VisualizationZoneWidget *>(parent);

448

return qobject_cast<VisualizationZoneWidget *>(parent);

449

}

449

}

450

451

VisualizationWidget *VisualizationGraphWidget::parentVisualizationWidget() const

451

VisualizationWidget *VisualizationGraphWidget::parentVisualizationWidget() const

452

{

452

{

453

auto parent = parentWidget();

453

auto parent = parentWidget();

454

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

454

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

455

parent = parent->parentWidget();

455

parent = parent->parentWidget();

456

}

456

}

457

458

return qobject_cast<VisualizationWidget *>(parent);

458

return qobject_cast<VisualizationWidget *>(parent);

459

}

459

}

460

461

void VisualizationGraphWidget::setFlags(GraphFlags flags)

461

void VisualizationGraphWidget::setFlags(GraphFlags flags)

462

{

462

{

463

impl->m_Flags = std::move(flags);

463

impl->m_Flags = std::move(flags);

464

}

464

}

465

466

void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable, DateTimeRange range)

466

void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable, DateTimeRange range)

467

{

467

{

468

// Uses delegate to create the qcpplot components according to the variable

468

// Uses delegate to create the qcpplot components according to the variable

469

auto createdPlottables = VisualizationGraphHelper::create(variable, *impl->m_plot);

469

auto createdPlottables = VisualizationGraphHelper::create(variable, *impl->m_plot);

470

471

// Sets graph properties

471

// Sets graph properties

472

impl->m_RenderingDelegate->setGraphProperties(*variable, createdPlottables);

472

impl->m_RenderingDelegate->setGraphProperties(*variable, createdPlottables);

473

474

impl->m_VariableToPlotMultiMap.insert({variable, std::move(createdPlottables)});

474

impl->m_VariableToPlotMultiMap.insert({variable, std::move(createdPlottables)});

475

476

setGraphRange(range);

476

setGraphRange(range);

477

// If the variable already has its data loaded, load its units and its range in the graph

477

// If the variable already has its data loaded, load its units and its range in the graph

478

if (variable->dataSeries() != nullptr) {

478

if (variable->dataSeries() != nullptr) {

479

impl->m_RenderingDelegate->setAxesUnits(*variable);

479

impl->m_RenderingDelegate->setAxesUnits(*variable);

480

}

480

}

481

else

481

else

482

{

482

{

483

auto context = new QObject{this};

483

auto context = new QObject{this};

484

connect(variable.get(), &Variable::updated, context,

484

connect(variable.get(), &Variable::updated, context,

485

[this, variable, context, range](QUuid)

485

[this, variable, context, range](QUuid)

486

{

486

{

487

this->impl->m_RenderingDelegate->setAxesUnits(*variable);

487

this->impl->m_RenderingDelegate->setAxesUnits(*variable);

488

this->impl->m_plot->replot(QCustomPlot::rpQueuedReplot);

488

this->impl->m_plot->replot(QCustomPlot::rpQueuedReplot);

489

delete context;

489

delete context;

490

}

490

}

491

);

491

);

492

}

492

}

493

//@TODO this is bad! when variable is moved to another graph it still fires

493

//@TODO this is bad! when variable is moved to another graph it still fires

494

// even if this has been deleted

494

// even if this has been deleted

495

connect(variable.get(), &Variable::updated, this, &VisualizationGraphWidget::variableUpdated);

495

connect(variable.get(), &Variable::updated, this, &VisualizationGraphWidget::variableUpdated);

496

this->onUpdateVarDisplaying(variable, range); // My bullshit

496

this->onUpdateVarDisplaying(variable, range); // My bullshit

497

emit variableAdded(variable);

497

emit variableAdded(variable);

498

}

498

}

499

500

void VisualizationGraphWidget::removeVariable(std::shared_ptr<Variable> variable) noexcept

500

void VisualizationGraphWidget::removeVariable(std::shared_ptr<Variable> variable) noexcept

501

{

501

{

502

// Each component associated to the variable :

502

// Each component associated to the variable :

503

// - is removed from qcpplot (which deletes it)

503

// - is removed from qcpplot (which deletes it)

504

// - is no longer referenced in the map

504

// - is no longer referenced in the map

505

auto variableIt = impl->m_VariableToPlotMultiMap.find(variable);

505

auto variableIt = impl->m_VariableToPlotMultiMap.find(variable);

506

if (variableIt != impl->m_VariableToPlotMultiMap.cend()) {

506

if (variableIt != impl->m_VariableToPlotMultiMap.cend()) {

507

emit variableAboutToBeRemoved(variable);

507

emit variableAboutToBeRemoved(variable);

508

509

auto &plottablesMap = variableIt->second;

509

auto &plottablesMap = variableIt->second;

510

511

for (auto plottableIt = plottablesMap.cbegin(), plottableEnd = plottablesMap.cend();

511

for (auto plottableIt = plottablesMap.cbegin(), plottableEnd = plottablesMap.cend();

512

plottableIt != plottableEnd;) {

512

plottableIt != plottableEnd;) {

513

impl->m_plot->removePlottable(plottableIt->second);

513

impl->m_plot->removePlottable(plottableIt->second);

514

plottableIt = plottablesMap.erase(plottableIt);

514

plottableIt = plottablesMap.erase(plottableIt);

515

}

515

}

516

517

impl->m_VariableToPlotMultiMap.erase(variableIt);

517

impl->m_VariableToPlotMultiMap.erase(variableIt);

518

}

518

}

519

520

// Updates graph

520

// Updates graph

521

impl->m_plot->replot(QCustomPlot::rpQueuedReplot);

521

impl->m_plot->replot(QCustomPlot::rpQueuedReplot);

522

}

522

}

523

524

std::vector<std::shared_ptr<Variable> > VisualizationGraphWidget::variables() const

524

std::vector<std::shared_ptr<Variable> > VisualizationGraphWidget::variables() const

525

{

525

{

526

auto variables = std::vector<std::shared_ptr<Variable> >{};

526

auto variables = std::vector<std::shared_ptr<Variable> >{};

527

for (auto it = std::cbegin(impl->m_VariableToPlotMultiMap);

527

for (auto it = std::cbegin(impl->m_VariableToPlotMultiMap);

528

it != std::cend(impl->m_VariableToPlotMultiMap); ++it) {

528

it != std::cend(impl->m_VariableToPlotMultiMap); ++it) {

529

variables.push_back(it->first);

529

variables.push_back(it->first);

530

}

530

}

531

532

return variables;

532

return variables;

533

}

533

}

534

535

void VisualizationGraphWidget::setYRange(std::shared_ptr<Variable> variable)

535

void VisualizationGraphWidget::setYRange(std::shared_ptr<Variable> variable)

536

{

536

{

537

if (!variable) {

537

if (!variable) {

538

qCCritical(LOG_VisualizationGraphWidget()) << "Can't set y-axis range: variable is null";

538

qCCritical(LOG_VisualizationGraphWidget()) << "Can't set y-axis range: variable is null";

539

return;

539

return;

540

}

540

}

541

542

VisualizationGraphHelper::setYAxisRange(variable, *impl->m_plot);

542

VisualizationGraphHelper::setYAxisRange(variable, *impl->m_plot);

543

}

543

}

544

545

DateTimeRange VisualizationGraphWidget::graphRange() const noexcept

545

DateTimeRange VisualizationGraphWidget::graphRange() const noexcept

546

{

546

{

547

auto graphRange = impl->m_plot->xAxis->range();

547

auto graphRange = impl->m_plot->xAxis->range();

548

return DateTimeRange{graphRange.lower, graphRange.upper};

548

return DateTimeRange{graphRange.lower, graphRange.upper};

549

}

549

}

550

551

void VisualizationGraphWidget::setGraphRange(const DateTimeRange &range, bool updateVar, bool forward)

551

void VisualizationGraphWidget::setGraphRange(const DateTimeRange &range, bool updateVar, bool forward)

552

{

552

{

553

auto oldRange = graphRange();

553

auto oldRange = graphRange();

554

impl->setRange(range, updateVar);

554

impl->setRange(range, updateVar);

555

if(forward)

555

if(forward)

556

{

556

{

557

auto newRange = graphRange();

557

auto newRange = graphRange();

558

if(auto tf = DateTimeRangeHelper::computeTransformation(oldRange,newRange))

558

if(auto tf = DateTimeRangeHelper::computeTransformation(oldRange,newRange))

559

emit this->transform_sig(tf.value(), false);

559

emit this->transform_sig(tf.value(), false);

560

}

560

}

561

562

}

562

}

563

564

void VisualizationGraphWidget::setAutoRangeOnVariableInitialization(bool value)

564

void VisualizationGraphWidget::setAutoRangeOnVariableInitialization(bool value)

565

{

565

{

566

impl->m_VariableAutoRangeOnInit = value;

566

impl->m_VariableAutoRangeOnInit = value;

567

}

567

}

568

569

QVector<DateTimeRange> VisualizationGraphWidget::selectionZoneRanges() const

569

QVector<DateTimeRange> VisualizationGraphWidget::selectionZoneRanges() const

570

{

570

{

571

QVector<DateTimeRange> ranges;

571

QVector<DateTimeRange> ranges;

572

for (auto zone : impl->m_SelectionZones) {

572

for (auto zone : impl->m_SelectionZones) {

573

ranges << zone->range();

573

ranges << zone->range();

574

}

574

}

575

576

return ranges;

576

return ranges;

577

}

577

}

578

579

void VisualizationGraphWidget::addSelectionZones(const QVector<DateTimeRange> &ranges)

579

void VisualizationGraphWidget::addSelectionZones(const QVector<DateTimeRange> &ranges)

580

{

580

{

581

for (const auto &range : ranges) {

581

for (const auto &range : ranges) {

582

// note: ownership is transfered to QCustomPlot

582

// note: ownership is transfered to QCustomPlot

583

auto zone = new VisualizationSelectionZoneItem(&plot());

583

auto zone = new VisualizationSelectionZoneItem(&plot());

584

zone->setRange(range.m_TStart, range.m_TEnd);

584

zone->setRange(range.m_TStart, range.m_TEnd);

585

impl->addSelectionZone(zone);

585

impl->addSelectionZone(zone);

586

}

586

}

587

588

plot().replot(QCustomPlot::rpQueuedReplot);

588

plot().replot(QCustomPlot::rpQueuedReplot);

589

}

589

}

590

591

VisualizationSelectionZoneItem *

591

VisualizationSelectionZoneItem *

592

VisualizationGraphWidget::addSelectionZone(const QString &name, const DateTimeRange &range)

592

VisualizationGraphWidget::addSelectionZone(const QString &name, const DateTimeRange &range)

593

{

593

{

594

// note: ownership is transfered to QCustomPlot

594

// note: ownership is transfered to QCustomPlot

595

auto zone = new VisualizationSelectionZoneItem(&plot());

595

auto zone = new VisualizationSelectionZoneItem(&plot());

596

zone->setName(name);

596

zone->setName(name);

597

zone->setRange(range.m_TStart, range.m_TEnd);

597

zone->setRange(range.m_TStart, range.m_TEnd);

598

impl->addSelectionZone(zone);

598

impl->addSelectionZone(zone);

599

600

plot().replot(QCustomPlot::rpQueuedReplot);

600

plot().replot(QCustomPlot::rpQueuedReplot);

601

602

return zone;

602

return zone;

603

}

603

}

604

605

void VisualizationGraphWidget::removeSelectionZone(VisualizationSelectionZoneItem *selectionZone)

605

void VisualizationGraphWidget::removeSelectionZone(VisualizationSelectionZoneItem *selectionZone)

606

{

606

{

607

parentVisualizationWidget()->selectionZoneManager().setSelected(selectionZone, false);

607

parentVisualizationWidget()->selectionZoneManager().setSelected(selectionZone, false);

608

609

if (impl->m_HoveredZone == selectionZone) {

609

if (impl->m_HoveredZone == selectionZone) {

610

impl->m_HoveredZone = nullptr;

610

impl->m_HoveredZone = nullptr;

611

setCursor(Qt::ArrowCursor);

611

setCursor(Qt::ArrowCursor);

612

}

612

}

613

614

impl->m_SelectionZones.removeAll(selectionZone);

614

impl->m_SelectionZones.removeAll(selectionZone);

615

plot().removeItem(selectionZone);

615

plot().removeItem(selectionZone);

616

plot().replot(QCustomPlot::rpQueuedReplot);

616

plot().replot(QCustomPlot::rpQueuedReplot);

617

}

617

}

618

619

void VisualizationGraphWidget::undoZoom()

619

void VisualizationGraphWidget::undoZoom()

620

{

620

{

621

auto zoom = impl->m_ZoomStack.pop();

621

auto zoom = impl->m_ZoomStack.pop();

622

auto axisX = plot().axisRect()->axis(QCPAxis::atBottom);

622

auto axisX = plot().axisRect()->axis(QCPAxis::atBottom);

623

auto axisY = plot().axisRect()->axis(QCPAxis::atLeft);

623

auto axisY = plot().axisRect()->axis(QCPAxis::atLeft);

624

625

axisX->setRange(zoom.first);

625

axisX->setRange(zoom.first);

626

axisY->setRange(zoom.second);

626

axisY->setRange(zoom.second);

627

628

plot().replot(QCustomPlot::rpQueuedReplot);

628

plot().replot(QCustomPlot::rpQueuedReplot);

629

}

629

}

630

631

void VisualizationGraphWidget::zoom(double factor, int center, Qt::Orientation orientation, bool forward)

631

void VisualizationGraphWidget::zoom(double factor, int center, Qt::Orientation orientation, bool forward)

632

{

632

{

633

impl->zoom(factor, center, orientation);

633

impl->zoom(factor, center, orientation);

634

if(forward && orientation==Qt::Horizontal)

634

if(forward && orientation==Qt::Horizontal)

635

emit this->zoom_sig(factor, center, orientation, false);

635

emit this->zoom_sig(factor, center, orientation, false);

636

}

636

}

637

638

void VisualizationGraphWidget::move(double factor, Qt::Orientation orientation, bool forward)

638

void VisualizationGraphWidget::move(double factor, Qt::Orientation orientation, bool forward)

639

{

639

{

640

impl->move(factor, orientation);

640

impl->move(factor, orientation);

641

if(forward)

641

if(forward)

642

emit this->move_sig(factor, orientation, false);

642

emit this->move_sig(factor, orientation, false);

643

}

643

}

644

645

void VisualizationGraphWidget::move(double dx, double dy, bool forward)

645

void VisualizationGraphWidget::move(double dx, double dy, bool forward)

646

{

646

{

647

impl->move(dx, dy);

647

impl->move(dx, dy);

648

if(forward)

648

if(forward)

649

emit this->move_sig(dx, dy, false);

649

emit this->move_sig(dx, dy, false);

650

}

650

}

651

652

void VisualizationGraphWidget::transform(const DateTimeRangeTransformation &tranformation, bool forward)

652

void VisualizationGraphWidget::transform(const DateTimeRangeTransformation &tranformation, bool forward)

653

{

653

{

654

impl->transform(tranformation);

654

impl->transform(tranformation);

655

if(forward)

655

if(forward)

656

emit this->transform_sig(tranformation, false);

656

emit this->transform_sig(tranformation, false);

657

}

657

}

658

659

void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor *visitor)

659

void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor *visitor)

660

{

660

{

661

if (visitor) {

661

if (visitor) {

662

visitor->visit(this);

662

visitor->visit(this);

663

}

663

}

664

else {

664

else {

665

qCCritical(LOG_VisualizationGraphWidget())

665

qCCritical(LOG_VisualizationGraphWidget())

666

<< tr("Can't visit widget : the visitor is null");

666

<< tr("Can't visit widget : the visitor is null");

667

}

667

}

668

}

668

}

669

670

bool VisualizationGraphWidget::canDrop(const Variable &variable) const

670

bool VisualizationGraphWidget::canDrop(const Variable &variable) const

671

{

671

{

672

auto isSpectrogram = [](const auto &variable) {

672

auto isSpectrogram = [](const auto &variable) {

673

return std::dynamic_pointer_cast<SpectrogramSeries>(variable.dataSeries()) != nullptr;

673

return std::dynamic_pointer_cast<SpectrogramSeries>(variable.dataSeries()) != nullptr;

674

};

674

};

675

676

// - A spectrogram series can't be dropped on graph with existing plottables

676

// - A spectrogram series can't be dropped on graph with existing plottables

677

// - No data series can be dropped on graph with existing spectrogram series

677

// - No data series can be dropped on graph with existing spectrogram series

678

return isSpectrogram(variable)

678

return isSpectrogram(variable)

679

? impl->m_VariableToPlotMultiMap.empty()

679

? impl->m_VariableToPlotMultiMap.empty()

680

: std::none_of(

680

: std::none_of(

681

impl->m_VariableToPlotMultiMap.cbegin(), impl->m_VariableToPlotMultiMap.cend(),

681

impl->m_VariableToPlotMultiMap.cbegin(), impl->m_VariableToPlotMultiMap.cend(),

682

[isSpectrogram](const auto &entry) { return isSpectrogram(*entry.first); });

682

[isSpectrogram](const auto &entry) { return isSpectrogram(*entry.first); });

683

}

683

}

684

685

bool VisualizationGraphWidget::contains(const Variable &variable) const

685

bool VisualizationGraphWidget::contains(const Variable &variable) const

686

{

686

{

687

// Finds the variable among the keys of the map

687

// Finds the variable among the keys of the map

688

auto variablePtr = &variable;

688

auto variablePtr = &variable;

689

auto findVariable

689

auto findVariable

690

= [variablePtr](const auto &entry) { return variablePtr == entry.first.get(); };

690

= [variablePtr](const auto &entry) { return variablePtr == entry.first.get(); };

691

692

auto end = impl->m_VariableToPlotMultiMap.cend();

692

auto end = impl->m_VariableToPlotMultiMap.cend();

693

auto it = std::find_if(impl->m_VariableToPlotMultiMap.cbegin(), end, findVariable);

693

auto it = std::find_if(impl->m_VariableToPlotMultiMap.cbegin(), end, findVariable);

694

return it != end;

694

return it != end;

695

}

695

}

696

697

QString VisualizationGraphWidget::name() const

697

QString VisualizationGraphWidget::name() const

698

{

698

{

699

return impl->m_Name;

699

return impl->m_Name;

700

}

700

}

701

702

QMimeData *VisualizationGraphWidget::mimeData(const QPoint &position) const

702

QMimeData *VisualizationGraphWidget::mimeData(const QPoint &position) const

703

{

703

{

704

auto mimeData = new QMimeData;

704

auto mimeData = new QMimeData;

705

706

auto selectionZoneItemUnderCursor = impl->selectionZoneAt(position);

706

auto selectionZoneItemUnderCursor = impl->selectionZoneAt(position);

707

if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones

707

if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones

708

&& selectionZoneItemUnderCursor) {

708

&& selectionZoneItemUnderCursor) {

709

mimeData->setData(MIME_TYPE_TIME_RANGE, TimeController::mimeDataForTimeRange(

709

mimeData->setData(MIME_TYPE_TIME_RANGE, TimeController::mimeDataForTimeRange(

710

selectionZoneItemUnderCursor->range()));

710

selectionZoneItemUnderCursor->range()));

711

mimeData->setData(MIME_TYPE_SELECTION_ZONE, TimeController::mimeDataForTimeRange(

711

mimeData->setData(MIME_TYPE_SELECTION_ZONE, TimeController::mimeDataForTimeRange(

712

selectionZoneItemUnderCursor->range()));

712

selectionZoneItemUnderCursor->range()));

713

}

713

}

714

else {

714

else {

715

mimeData->setData(MIME_TYPE_GRAPH, QByteArray{});

715

mimeData->setData(MIME_TYPE_GRAPH, QByteArray{});

716

717

auto timeRangeData = TimeController::mimeDataForTimeRange(graphRange());

717

auto timeRangeData = TimeController::mimeDataForTimeRange(graphRange());

718

mimeData->setData(MIME_TYPE_TIME_RANGE, timeRangeData);

718

mimeData->setData(MIME_TYPE_TIME_RANGE, timeRangeData);

719

}

719

}

720

721

return mimeData;

721

return mimeData;

722

}

722

}

723

724

QPixmap VisualizationGraphWidget::customDragPixmap(const QPoint &dragPosition)

724

QPixmap VisualizationGraphWidget::customDragPixmap(const QPoint &dragPosition)

725

{

725

{

726

auto selectionZoneItemUnderCursor = impl->selectionZoneAt(dragPosition);

726

auto selectionZoneItemUnderCursor = impl->selectionZoneAt(dragPosition);

727

if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones

727

if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones

728

&& selectionZoneItemUnderCursor) {

728

&& selectionZoneItemUnderCursor) {

729

730

auto zoneTopLeft = selectionZoneItemUnderCursor->topLeft->pixelPosition();

730

auto zoneTopLeft = selectionZoneItemUnderCursor->topLeft->pixelPosition();

731

auto zoneBottomRight = selectionZoneItemUnderCursor->bottomRight->pixelPosition();

731

auto zoneBottomRight = selectionZoneItemUnderCursor->bottomRight->pixelPosition();

732

733

auto zoneSize = QSizeF{qAbs(zoneBottomRight.x() - zoneTopLeft.x()),

733

auto zoneSize = QSizeF{qAbs(zoneBottomRight.x() - zoneTopLeft.x()),

734

qAbs(zoneBottomRight.y() - zoneTopLeft.y())}

734

qAbs(zoneBottomRight.y() - zoneTopLeft.y())}

735

.toSize();

735

.toSize();

736

737

auto pixmap = QPixmap(zoneSize);

737

auto pixmap = QPixmap(zoneSize);

738

render(&pixmap, QPoint(), QRegion{QRect{zoneTopLeft.toPoint(), zoneSize}});

738

render(&pixmap, QPoint(), QRegion{QRect{zoneTopLeft.toPoint(), zoneSize}});

739

740

return pixmap;

740

return pixmap;

741

}

741

}

742

743

return QPixmap();

743

return QPixmap();

744

}

744

}

745

746

bool VisualizationGraphWidget::isDragAllowed() const

746

bool VisualizationGraphWidget::isDragAllowed() const

747

{

747

{

748

return true;

748

return true;

749

}

749

}

750

751

void VisualizationGraphWidget::highlightForMerge(bool highlighted)

751

void VisualizationGraphWidget::highlightForMerge(bool highlighted)

752

{

752

{

753

if (highlighted) {

753

if (highlighted) {

754

plot().setBackground(QBrush(QColor("#BBD5EE")));

754

plot().setBackground(QBrush(QColor("#BBD5EE")));

755

}

755

}

756

else {

756

else {

757

plot().setBackground(QBrush(Qt::white));

757

plot().setBackground(QBrush(Qt::white));

758

}

758

}

759

760

plot().update();

760

plot().update();

761

}

761

}

762

763

void VisualizationGraphWidget::addVerticalCursor(double time)

763

void VisualizationGraphWidget::addVerticalCursor(double time)

764

{

764

{

765

impl->m_VerticalCursor->setPosition(time);

765

impl->m_VerticalCursor->setPosition(time);

766

impl->m_VerticalCursor->setVisible(true);

766

impl->m_VerticalCursor->setVisible(true);

767

768

auto text

768

auto text

769

= DateUtils::dateTime(time).toString(CURSOR_LABELS_DATETIME_FORMAT).replace(' ', '\n');

769

= DateUtils::dateTime(time).toString(CURSOR_LABELS_DATETIME_FORMAT).replace(' ', '\n');

770

impl->m_VerticalCursor->setLabelText(text);

770

impl->m_VerticalCursor->setLabelText(text);

771

}

771

}

772

773

void VisualizationGraphWidget::addVerticalCursorAtViewportPosition(double position)

773

void VisualizationGraphWidget::addVerticalCursorAtViewportPosition(double position)

774

{

774

{

775

impl->m_VerticalCursor->setAbsolutePosition(position);

775

impl->m_VerticalCursor->setAbsolutePosition(position);

776

impl->m_VerticalCursor->setVisible(true);

776

impl->m_VerticalCursor->setVisible(true);

777

778

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

778

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

779

auto text

779

auto text

780

= DateUtils::dateTime(axis->pixelToCoord(position)).toString(CURSOR_LABELS_DATETIME_FORMAT);

780

= DateUtils::dateTime(axis->pixelToCoord(position)).toString(CURSOR_LABELS_DATETIME_FORMAT);

781

impl->m_VerticalCursor->setLabelText(text);

781

impl->m_VerticalCursor->setLabelText(text);

782

}

782

}

783

784

void VisualizationGraphWidget::removeVerticalCursor()

784

void VisualizationGraphWidget::removeVerticalCursor()

785

{

785

{

786

impl->m_VerticalCursor->setVisible(false);

786

impl->m_VerticalCursor->setVisible(false);

787

plot().replot(QCustomPlot::rpQueuedReplot);

787

plot().replot(QCustomPlot::rpQueuedReplot);

788

}

788

}

789

790

void VisualizationGraphWidget::addHorizontalCursor(double value)

790

void VisualizationGraphWidget::addHorizontalCursor(double value)

791

{

791

{

792

impl->m_HorizontalCursor->setPosition(value);

792

impl->m_HorizontalCursor->setPosition(value);

793

impl->m_HorizontalCursor->setVisible(true);

793

impl->m_HorizontalCursor->setVisible(true);

794

impl->m_HorizontalCursor->setLabelText(QString::number(value));

794

impl->m_HorizontalCursor->setLabelText(QString::number(value));

795

}

795

}

796

797

void VisualizationGraphWidget::addHorizontalCursorAtViewportPosition(double position)

797

void VisualizationGraphWidget::addHorizontalCursorAtViewportPosition(double position)

798

{

798

{

799

impl->m_HorizontalCursor->setAbsolutePosition(position);

799

impl->m_HorizontalCursor->setAbsolutePosition(position);

800

impl->m_HorizontalCursor->setVisible(true);

800

impl->m_HorizontalCursor->setVisible(true);

801

802

auto axis = plot().axisRect()->axis(QCPAxis::atLeft);

802

auto axis = plot().axisRect()->axis(QCPAxis::atLeft);

803

impl->m_HorizontalCursor->setLabelText(QString::number(axis->pixelToCoord(position)));

803

impl->m_HorizontalCursor->setLabelText(QString::number(axis->pixelToCoord(position)));

804

}

804

}

805

806

void VisualizationGraphWidget::removeHorizontalCursor()

806

void VisualizationGraphWidget::removeHorizontalCursor()

807

{

807

{

808

impl->m_HorizontalCursor->setVisible(false);

808

impl->m_HorizontalCursor->setVisible(false);

809

plot().replot(QCustomPlot::rpQueuedReplot);

809

plot().replot(QCustomPlot::rpQueuedReplot);

810

}

810

}

811

812

void VisualizationGraphWidget::closeEvent(QCloseEvent *event)

812

void VisualizationGraphWidget::closeEvent(QCloseEvent *event)

813

{

813

{

814

Q_UNUSED(event);

814

Q_UNUSED(event);

815

816

for (auto i : impl->m_SelectionZones) {

816

for (auto i : impl->m_SelectionZones) {

817

parentVisualizationWidget()->selectionZoneManager().setSelected(i, false);

817

parentVisualizationWidget()->selectionZoneManager().setSelected(i, false);

818

}

818

}

819

820

// Prevents that all variables will be removed from graph when it will be closed

820

// Prevents that all variables will be removed from graph when it will be closed

821

for (auto &variableEntry : impl->m_VariableToPlotMultiMap) {

821

for (auto &variableEntry : impl->m_VariableToPlotMultiMap) {

822

emit variableAboutToBeRemoved(variableEntry.first);

822

emit variableAboutToBeRemoved(variableEntry.first);

823

}

823

}

824

}

824

}

825

826

void VisualizationGraphWidget::enterEvent(QEvent *event)

826

void VisualizationGraphWidget::enterEvent(QEvent *event)

827

{

827

{

828

Q_UNUSED(event);

828

Q_UNUSED(event);

829

impl->m_RenderingDelegate->showGraphOverlay(true);

829

impl->m_RenderingDelegate->showGraphOverlay(true);

830

}

830

}

831

832

void VisualizationGraphWidget::leaveEvent(QEvent *event)

832

void VisualizationGraphWidget::leaveEvent(QEvent *event)

833

{

833

{

834

Q_UNUSED(event);

834

Q_UNUSED(event);

835

impl->m_RenderingDelegate->showGraphOverlay(false);

835

impl->m_RenderingDelegate->showGraphOverlay(false);

836

837

if (auto parentZone = parentZoneWidget()) {

837

if (auto parentZone = parentZoneWidget()) {

838

parentZone->notifyMouseLeaveGraph(this);

838

parentZone->notifyMouseLeaveGraph(this);

839

}

839

}

840

else {

840

else {

841

qCWarning(LOG_VisualizationGraphWidget()) << "leaveEvent: No parent zone widget";

841

qCWarning(LOG_VisualizationGraphWidget()) << "leaveEvent: No parent zone widget";

842

}

842

}

843

844

if (impl->m_HoveredZone) {

844

if (impl->m_HoveredZone) {

845

impl->m_HoveredZone->setHovered(false);

845

impl->m_HoveredZone->setHovered(false);

846

impl->m_HoveredZone = nullptr;

846

impl->m_HoveredZone = nullptr;

847

}

847

}

848

}

848

}

849

850

void VisualizationGraphWidget::wheelEvent(QWheelEvent *event)

850

void VisualizationGraphWidget::wheelEvent(QWheelEvent *event)

851

{

851

{

852

double factor;

852

double factor;

853

double wheelSteps = event->delta() / 120.0; // a single step delta is +/-120 usually

853

double wheelSteps = event->delta() / 120.0; // a single step delta is +/-120 usually

854

if (event->modifiers() == Qt::ControlModifier) {

854

if (event->modifiers() == Qt::ControlModifier) {

855

if (event->orientation() == Qt::Vertical) // mRangeZoom.testFlag(Qt::Vertical))

855

if (event->orientation() == Qt::Vertical) // mRangeZoom.testFlag(Qt::Vertical))

856

{

856

{

857

setCursor(Qt::SizeVerCursor);

857

setCursor(Qt::SizeVerCursor);

858

factor = pow(impl->m_plot->axisRect()->rangeZoomFactor(Qt::Vertical), wheelSteps);

858

factor = pow(impl->m_plot->axisRect()->rangeZoomFactor(Qt::Vertical), wheelSteps);

859

zoom(factor, event->pos().y(), Qt::Vertical);

859

zoom(factor, event->pos().y(), Qt::Vertical);

860

}

860

}

861

}

861

}

862

else if (event->modifiers() == Qt::ShiftModifier) {

862

else if (event->modifiers() == Qt::ShiftModifier) {

863

if (event->orientation() == Qt::Vertical) // mRangeZoom.testFlag(Qt::Vertical))

863

if (event->orientation() == Qt::Vertical) // mRangeZoom.testFlag(Qt::Vertical))

864

{

864

{

865

setCursor(Qt::SizeHorCursor);

865

setCursor(Qt::SizeHorCursor);

866

factor = pow(impl->m_plot->axisRect()->rangeZoomFactor(Qt::Horizontal), wheelSteps);

866

factor = pow(impl->m_plot->axisRect()->rangeZoomFactor(Qt::Horizontal), wheelSteps);

867

zoom(factor, event->pos().x(), Qt::Horizontal);

867

zoom(factor, event->pos().x(), Qt::Horizontal);

868

}

868

}

869

}

869

}

870

else {

870

else {

871

move(wheelSteps, Qt::Horizontal);

871

move(wheelSteps, Qt::Horizontal);

872

}

872

}

873

event->accept();

873

event->accept();

874

}

874

}

875

876

877

878

void VisualizationGraphWidget::mouseMoveEvent(QMouseEvent *event)

878

void VisualizationGraphWidget::mouseMoveEvent(QMouseEvent *event)

879

{

879

{

880

if(impl->isDrawingZoomRect())

880

if(impl->isDrawingZoomRect())

881

{

881

{

882

impl->updateZoomRect(event->pos());

882

impl->updateZoomRect(event->pos());

883

}

883

}

884

else if (impl->isDrawingZoneRect())

884

else if (impl->isDrawingZoneRect())

885

{

885

{

886

impl->updateZoneRect(event->pos());

886

impl->updateZoneRect(event->pos());

887

}

887

}

888

else if (event->buttons() == Qt::LeftButton)

888

else if (event->buttons() == Qt::LeftButton)

889

{

889

{

890

if(sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::None)

890

if(sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::None)

891

{

891

{

892

auto [dx,dy] = impl->moveGraph(event->pos());

892

auto [dx,dy] = impl->moveGraph(event->pos());

893

emit this->move_sig(dx,0., false); // don't sync Y transformations

893

emit this->move_sig(dx,0., false); // don't sync Y transformations

894

}

894

}

895

else if(sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones)

895

else if(sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones)

896

{

896

{

897

898

}

898

}

899

}

899

}

900

else

900

else

901

{

901

{

902

impl->m_RenderingDelegate->updateTooltip(event);

902

impl->m_RenderingDelegate->updateTooltip(event);

903

}

903

}

904

//event->accept();

904

//event->accept();

905

QWidget::mouseMoveEvent(event);

905

QWidget::mouseMoveEvent(event);

906

}

906

}

907

908

void VisualizationGraphWidget::mouseReleaseEvent(QMouseEvent *event)

908

void VisualizationGraphWidget::mouseReleaseEvent(QMouseEvent *event)

909

{

909

{

910

if(impl->isDrawingZoomRect())

910

if(impl->isDrawingZoomRect())

911

{

911

{

912

auto oldRange = this->graphRange();

912

auto oldRange = this->graphRange();

913

impl->applyZoomRect();

913

impl->applyZoomRect();

914

auto newRange = this->graphRange();

914

auto newRange = this->graphRange();

915

if(auto tf = DateTimeRangeHelper::computeTransformation(oldRange,newRange))

915

if(auto tf = DateTimeRangeHelper::computeTransformation(oldRange,newRange))

916

emit this->transform_sig(tf.value(), false);

916

emit this->transform_sig(tf.value(), false);

917

}

917

}

918

else if(impl->isDrawingZoneRect())

918

else if(impl->isDrawingZoneRect())

919

{

919

{

920

impl->endDrawingZone();

920

impl->endDrawingZone();

921

}

921

}

922

else

922

else

923

{

923

{

924

setCursor(Qt::ArrowCursor);

924

setCursor(Qt::ArrowCursor);

925

}

925

}

926

event->accept();

926

event->accept();

927

}

927

}

928

929

void VisualizationGraphWidget::mousePressEvent(QMouseEvent *event)

929

void VisualizationGraphWidget::mousePressEvent(QMouseEvent *event)

930

{

930

{

931

if (event->button()==Qt::RightButton)

931

if (event->button()==Qt::RightButton)

932

{

932

{

933

onGraphMenuRequested(event->pos());

933

onGraphMenuRequested(event->pos());

934

}

934

}

935

else

935

else

936

{

936

{

937

auto selectedZone = impl->selectionZoneAt(event->pos());

937

auto selectedZone = impl->selectionZoneAt(event->pos());

938

switch (sqpApp->plotsInteractionMode())

938

switch (sqpApp->plotsInteractionMode())

939

{

939

{

940

case SqpApplication::PlotsInteractionMode::DragAndDrop :

940

case SqpApplication::PlotsInteractionMode::DragAndDrop :

941

break;

941

break;

942

case SqpApplication::PlotsInteractionMode::SelectionZones :

942

case SqpApplication::PlotsInteractionMode::SelectionZones :

943

impl->setSelectionZonesEditionEnabled(true);

943

impl->setSelectionZonesEditionEnabled(true);

944

if ((event->modifiers() == Qt::ControlModifier) && (selectedZone != nullptr))

944

if ((event->modifiers() == Qt::ControlModifier) && (selectedZone != nullptr))

945

{

945

{

946

selectedZone->setAssociatedEditedZones(parentVisualizationWidget()->selectionZoneManager().selectedItems());

946

selectedZone->setAssociatedEditedZones(parentVisualizationWidget()->selectionZoneManager().selectedItems());

947

}

947

}

948

else

948

else

949

{

949

{

950

if (!selectedZone)

950

if (!selectedZone)

951

{

951

{

952

parentVisualizationWidget()->selectionZoneManager().clearSelection();

952

parentVisualizationWidget()->selectionZoneManager().clearSelection();

953

impl->startDrawingZone(event->pos());

953

impl->startDrawingZone(event->pos());

954

}

954

}

955

else

955

else

956

{

956

{

957

parentVisualizationWidget()->selectionZoneManager().select({ selectedZone });

957

parentVisualizationWidget()->selectionZoneManager().select({ selectedZone });

958

}

958

}

959

}

959

}

960

break;

960

break;

961

case SqpApplication::PlotsInteractionMode::ZoomBox :

961

case SqpApplication::PlotsInteractionMode::ZoomBox :

962

impl->startDrawingRect(event->pos());

962

impl->startDrawingRect(event->pos());

963

break;

963

break;

964

default:

964

default:

965

if(auto item = impl->m_plot->itemAt(event->pos()))

965

if(auto item = impl->m_plot->itemAt(event->pos()))

966

{

966

{

967

emit impl->m_plot->itemClick(item,event);

967

emit impl->m_plot->itemClick(item,event);

968

if(qobject_cast<VisualizationSelectionZoneItem*>(item))

969

{

970

setCursor(Qt::ClosedHandCursor);

971

impl->enterPlotDrag(event->pos());

972

}

968

}

973

}

969

else

974

else

970

{

975

{

971

setCursor(Qt::ClosedHandCursor);

976

setCursor(Qt::ClosedHandCursor);

972

impl->enterPlotDrag(event->pos());

977

impl->enterPlotDrag(event->pos());

973

}

978

}

974

}

979

}

975

}

980

}

976

//event->accept();

981

//event->accept();

977

QWidget::mousePressEvent(event);

982

QWidget::mousePressEvent(event);

978

}

983

}

979

984

980

void VisualizationGraphWidget::mouseDoubleClickEvent(QMouseEvent *event)

985

void VisualizationGraphWidget::mouseDoubleClickEvent(QMouseEvent *event)

981

{

986

{

982

impl->m_RenderingDelegate->onMouseDoubleClick(event);

987

impl->m_RenderingDelegate->onMouseDoubleClick(event);

983

}

988

}

984

989

985

void VisualizationGraphWidget::keyReleaseEvent(QKeyEvent *event)

990

void VisualizationGraphWidget::keyReleaseEvent(QKeyEvent *event)

986

{

991

{

987

switch (event->key()) {

992

switch (event->key()) {

988

case Qt::Key_Control:

993

case Qt::Key_Control:

989

event->accept();

994

event->accept();

990

break;

995

break;

991

case Qt::Key_Shift:

996

case Qt::Key_Shift:

992

event->accept();

997

event->accept();

993

break;

998

break;

994

default:

999

default:

995

QWidget::keyReleaseEvent(event);

1000

QWidget::keyReleaseEvent(event);

996

break;

1001

break;

997

}

1002

}

998

setCursor(Qt::ArrowCursor);

1003

setCursor(Qt::ArrowCursor);

999

//event->accept();

1004

//event->accept();

1000

}

1005

}

1001

1006

1002

void VisualizationGraphWidget::keyPressEvent(QKeyEvent *event)

1007

void VisualizationGraphWidget::keyPressEvent(QKeyEvent *event)

1003

{

1008

{

1004

switch (event->key()) {

1009

switch (event->key()) {

1005

case Qt::Key_Control:

1010

case Qt::Key_Control:

1006

setCursor(Qt::CrossCursor);

1011

setCursor(Qt::CrossCursor);

1007

break;

1012

break;

1008

case Qt::Key_Shift:

1013

case Qt::Key_Shift:

1009

break;

1014

break;

1010

case Qt::Key_M:

1015

case Qt::Key_M:

1011

impl->rescaleY();

1016

impl->rescaleY();

1012

impl->m_plot->replot(QCustomPlot::rpQueuedReplot);

1017

impl->m_plot->replot(QCustomPlot::rpQueuedReplot);

1013

break;

1018

break;

1014

case Qt::Key_Left:

1019

case Qt::Key_Left:

1015

if (event->modifiers() != Qt::ControlModifier) {

1020

if (event->modifiers() != Qt::ControlModifier) {

1016

move(-0.1, Qt::Horizontal);

1021

move(-0.1, Qt::Horizontal);

1017

}

1022

}

1018

else {

1023

else {

1019

zoom(2, this->width() / 2, Qt::Horizontal);

1024

zoom(2, this->width() / 2, Qt::Horizontal);

1020

}

1025

}

1021

break;

1026

break;

1022

case Qt::Key_Right:

1027

case Qt::Key_Right:

1023

if (event->modifiers() != Qt::ControlModifier) {

1028

if (event->modifiers() != Qt::ControlModifier) {

1024

move(0.1, Qt::Horizontal);

1029

move(0.1, Qt::Horizontal);

1025

}

1030

}

1026

else {

1031

else {

1027

zoom(0.5, this->width() / 2, Qt::Horizontal);

1032

zoom(0.5, this->width() / 2, Qt::Horizontal);

1028

}

1033

}

1029

break;

1034

break;

1030

case Qt::Key_Up:

1035

case Qt::Key_Up:

1031

if (event->modifiers() != Qt::ControlModifier) {

1036

if (event->modifiers() != Qt::ControlModifier) {

1032

move(0.1, Qt::Vertical);

1037

move(0.1, Qt::Vertical);

1033

}

1038

}

1034

else {

1039

else {

1035

zoom(0.5, this->height() / 2, Qt::Vertical);

1040

zoom(0.5, this->height() / 2, Qt::Vertical);

1036

}

1041

}

1037

break;

1042

break;

1038

case Qt::Key_Down:

1043

case Qt::Key_Down:

1039

if (event->modifiers() != Qt::ControlModifier) {

1044

if (event->modifiers() != Qt::ControlModifier) {

1040

move(-0.1, Qt::Vertical);

1045

move(-0.1, Qt::Vertical);

1041

}

1046

}

1042

else {

1047

else {

1043

zoom(2, this->height() / 2, Qt::Vertical);

1048

zoom(2, this->height() / 2, Qt::Vertical);

1044

}

1049

}

1045

break;

1050

break;

1046

default:

1051

default:

1047

QWidget::keyPressEvent(event);

1052

QWidget::keyPressEvent(event);

1048

break;

1053

break;

1049

}

1054

}

1050

}

1055

}

1051

1056

1052

QCustomPlot &VisualizationGraphWidget::plot() const noexcept

1057

QCustomPlot &VisualizationGraphWidget::plot() const noexcept

1053

{

1058

{

1054

return *impl->m_plot;

1059

return *impl->m_plot;

1055

}

1060

}

1056

1061

1057

void VisualizationGraphWidget::onGraphMenuRequested(const QPoint &pos) noexcept

1062

void VisualizationGraphWidget::onGraphMenuRequested(const QPoint &pos) noexcept

1058

{

1063

{

1059

QMenu graphMenu{};

1064

QMenu graphMenu{};

1060

1065

1061

// Iterates on variables (unique keys)

1066

// Iterates on variables (unique keys)

1062

for (auto it = impl->m_VariableToPlotMultiMap.cbegin(),

1067

for (auto it = impl->m_VariableToPlotMultiMap.cbegin(),

1063

end = impl->m_VariableToPlotMultiMap.cend();

1068

end = impl->m_VariableToPlotMultiMap.cend();

1064

it != end; it = impl->m_VariableToPlotMultiMap.upper_bound(it->first)) {

1069

it != end; it = impl->m_VariableToPlotMultiMap.upper_bound(it->first)) {

1065

// 'Remove variable' action

1070

// 'Remove variable' action

1066

graphMenu.addAction(tr("Remove variable %1").arg(it->first->name()),

1071

graphMenu.addAction(tr("Remove variable %1").arg(it->first->name()),

1067

[this, var = it->first]() { removeVariable(var); });

1072

[this, var = it->first]() { removeVariable(var); });

1068

}

1073

}

1069

1074

1070

if (!impl->m_ZoomStack.isEmpty()) {

1075

if (!impl->m_ZoomStack.isEmpty()) {

1071

if (!graphMenu.isEmpty()) {

1076

if (!graphMenu.isEmpty()) {

1072

graphMenu.addSeparator();

1077

graphMenu.addSeparator();

1073

}

1078

}

1074

1079

1075

graphMenu.addAction(tr("Undo Zoom"), [this]() { undoZoom(); });

1080

graphMenu.addAction(tr("Undo Zoom"), [this]() { undoZoom(); });

1076

}

1081

}

1077

1082

1078

// Selection Zone Actions

1083

// Selection Zone Actions

1079

auto selectionZoneItem = impl->selectionZoneAt(pos);

1084

auto selectionZoneItem = impl->selectionZoneAt(pos);

1080

if (selectionZoneItem) {

1085

if (selectionZoneItem) {

1081

auto selectedItems = parentVisualizationWidget()->selectionZoneManager().selectedItems();

1086

auto selectedItems = parentVisualizationWidget()->selectionZoneManager().selectedItems();

1082

selectedItems.removeAll(selectionZoneItem);

1087

selectedItems.removeAll(selectionZoneItem);

1083

selectedItems.prepend(selectionZoneItem); // Put the current selection zone first

1088

selectedItems.prepend(selectionZoneItem); // Put the current selection zone first

1084

1089

1085

auto zoneActions = sqpApp->actionsGuiController().selectionZoneActions();

1090

auto zoneActions = sqpApp->actionsGuiController().selectionZoneActions();

1086

if (!zoneActions.isEmpty() && !graphMenu.isEmpty()) {

1091

if (!zoneActions.isEmpty() && !graphMenu.isEmpty()) {

1087

graphMenu.addSeparator();

1092

graphMenu.addSeparator();

1088

}

1093

}

1089

1094

1090

QHash<QString, QMenu *> subMenus;

1095

QHash<QString, QMenu *> subMenus;

1091

QHash<QString, bool> subMenusEnabled;

1096

QHash<QString, bool> subMenusEnabled;

1092

QHash<QString, FilteringAction *> filteredMenu;

1097

QHash<QString, FilteringAction *> filteredMenu;

1093

1098

1094

for (auto zoneAction : zoneActions) {

1099

for (auto zoneAction : zoneActions) {

1095

1100

1096

auto isEnabled = zoneAction->isEnabled(selectedItems);

1101

auto isEnabled = zoneAction->isEnabled(selectedItems);

1097

1102

1098

auto menu = &graphMenu;

1103

auto menu = &graphMenu;

1099

QString menuPath;

1104

QString menuPath;

1100

for (auto subMenuName : zoneAction->subMenuList()) {

1105

for (auto subMenuName : zoneAction->subMenuList()) {

1101

menuPath += '/';

1106

menuPath += '/';

1102

menuPath += subMenuName;

1107

menuPath += subMenuName;

1103

1108

1104

if (!subMenus.contains(menuPath)) {

1109

if (!subMenus.contains(menuPath)) {

1105

menu = menu->addMenu(subMenuName);

1110

menu = menu->addMenu(subMenuName);

1106

subMenus[menuPath] = menu;

1111

subMenus[menuPath] = menu;

1107

subMenusEnabled[menuPath] = isEnabled;

1112

subMenusEnabled[menuPath] = isEnabled;

1108

}

1113

}

1109

else {

1114

else {

1110

menu = subMenus.value(menuPath);

1115

menu = subMenus.value(menuPath);

1111

if (isEnabled) {

1116

if (isEnabled) {

1112

// The sub menu is enabled if at least one of its actions is enabled

1117

// The sub menu is enabled if at least one of its actions is enabled

1113

subMenusEnabled[menuPath] = true;

1118

subMenusEnabled[menuPath] = true;

1114

}

1119

}

1115

}

1120

}

1116

}

1121

}

1117

1122

1118

FilteringAction *filterAction = nullptr;

1123

FilteringAction *filterAction = nullptr;

1119

if (sqpApp->actionsGuiController().isMenuFiltered(zoneAction->subMenuList())) {

1124

if (sqpApp->actionsGuiController().isMenuFiltered(zoneAction->subMenuList())) {

1120

filterAction = filteredMenu.value(menuPath);

1125

filterAction = filteredMenu.value(menuPath);

1121

if (!filterAction) {

1126

if (!filterAction) {

1122

filterAction = new FilteringAction{this};

1127

filterAction = new FilteringAction{this};

1123

filteredMenu[menuPath] = filterAction;

1128

filteredMenu[menuPath] = filterAction;

1124

menu->addAction(filterAction);

1129

menu->addAction(filterAction);

1125

}

1130

}

1126

}

1131

}

1127

1132

1128

auto action = menu->addAction(zoneAction->name());

1133

auto action = menu->addAction(zoneAction->name());

1129

action->setEnabled(isEnabled);

1134

action->setEnabled(isEnabled);

1130

action->setShortcut(zoneAction->displayedShortcut());

1135

action->setShortcut(zoneAction->displayedShortcut());

1131

QObject::connect(action, &QAction::triggered,

1136

QObject::connect(action, &QAction::triggered,

1132

[zoneAction, selectedItems]() { zoneAction->execute(selectedItems); });

1137

[zoneAction, selectedItems]() { zoneAction->execute(selectedItems); });

1133

1138

1134

if (filterAction && zoneAction->isFilteringAllowed()) {

1139

if (filterAction && zoneAction->isFilteringAllowed()) {

1135

filterAction->addActionToFilter(action);

1140

filterAction->addActionToFilter(action);

1136

}

1141

}

1137

}

1142

}

1138

1143

1139

for (auto it = subMenus.cbegin(); it != subMenus.cend(); ++it) {

1144

for (auto it = subMenus.cbegin(); it != subMenus.cend(); ++it) {

1140

it.value()->setEnabled(subMenusEnabled[it.key()]);

1145

it.value()->setEnabled(subMenusEnabled[it.key()]);

1141

}

1146

}

1142

}

1147

}

1143

1148

1144

if (!graphMenu.isEmpty()) {

1149

if (!graphMenu.isEmpty()) {

1145

graphMenu.exec(QCursor::pos());

1150

graphMenu.exec(QCursor::pos());

1146

}

1151

}

1147

}

1152

}

1148

1153

1149

void VisualizationGraphWidget::onMouseDoubleClick(QMouseEvent *event) noexcept

1154

void VisualizationGraphWidget::onMouseDoubleClick(QMouseEvent *event) noexcept

1150

{

1155

{

1151

impl->m_RenderingDelegate->onMouseDoubleClick(event);

1156

impl->m_RenderingDelegate->onMouseDoubleClick(event);

1152

}

1157

}

1153

1158

1154

void VisualizationGraphWidget::onMouseMove(QMouseEvent *event) noexcept

1159

void VisualizationGraphWidget::onMouseMove(QMouseEvent *event) noexcept

1155

{

1160

{

1156

// Handles plot rendering when mouse is moving

1161

// Handles plot rendering when mouse is moving

1157

impl->m_RenderingDelegate->updateTooltip(event);

1162

impl->m_RenderingDelegate->updateTooltip(event);

1158

1163

1159

auto axisPos = impl->posToAxisPos(event->pos());

1164

auto axisPos = impl->posToAxisPos(event->pos());

1160

1165

1161

// Zoom box and zone drawing

1166

// Zoom box and zone drawing

1162

if (impl->m_DrawingZoomRect) {

1167

if (impl->m_DrawingZoomRect) {

1163

impl->m_DrawingZoomRect->bottomRight->setCoords(axisPos);

1168

impl->m_DrawingZoomRect->bottomRight->setCoords(axisPos);

1164

}

1169

}

1165

else if (impl->m_DrawingZone) {

1170

else if (impl->m_DrawingZone) {

1166

impl->m_DrawingZone->setEnd(axisPos.x());

1171

impl->m_DrawingZone->setEnd(axisPos.x());

1167

}

1172

}

1168

1173

1169

// Cursor

1174

// Cursor

1170

if (auto parentZone = parentZoneWidget()) {

1175

if (auto parentZone = parentZoneWidget()) {

1171

if (impl->pointIsInAxisRect(axisPos, plot())) {

1176

if (impl->pointIsInAxisRect(axisPos, plot())) {

1172

parentZone->notifyMouseMoveInGraph(event->pos(), axisPos, this);

1177

parentZone->notifyMouseMoveInGraph(event->pos(), axisPos, this);

1173

}

1178

}

1174

else {

1179

else {

1175

parentZone->notifyMouseLeaveGraph(this);

1180

parentZone->notifyMouseLeaveGraph(this);

1176

}

1181

}

1177

}

1182

}

1178

1183

1179

// Search for the selection zone under the mouse

1184

// Search for the selection zone under the mouse

1180

auto selectionZoneItemUnderCursor = impl->selectionZoneAt(event->pos());

1185

auto selectionZoneItemUnderCursor = impl->selectionZoneAt(event->pos());

1181

if (selectionZoneItemUnderCursor && !impl->m_DrawingZone

1186

if (selectionZoneItemUnderCursor && !impl->m_DrawingZone

1182

&& sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones) {

1187

&& sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones) {

1183

1188

1184

// Sets the appropriate cursor shape

1189

// Sets the appropriate cursor shape

1185

auto cursorShape = selectionZoneItemUnderCursor->curshorShapeForPosition(event->pos());

1190

auto cursorShape = selectionZoneItemUnderCursor->curshorShapeForPosition(event->pos());

1186

setCursor(cursorShape);

1191

setCursor(cursorShape);

1187

1192

1188

// Manages the hovered zone

1193

// Manages the hovered zone

1189

if (selectionZoneItemUnderCursor != impl->m_HoveredZone) {

1194

if (selectionZoneItemUnderCursor != impl->m_HoveredZone) {

1190

if (impl->m_HoveredZone) {

1195

if (impl->m_HoveredZone) {

1191

impl->m_HoveredZone->setHovered(false);

1196

impl->m_HoveredZone->setHovered(false);

1192

}

1197

}

1193

selectionZoneItemUnderCursor->setHovered(true);

1198

selectionZoneItemUnderCursor->setHovered(true);

1194

impl->m_HoveredZone = selectionZoneItemUnderCursor;

1199

impl->m_HoveredZone = selectionZoneItemUnderCursor;

1195

plot().replot(QCustomPlot::rpQueuedReplot);

1200

plot().replot(QCustomPlot::rpQueuedReplot);

1196

}

1201

}

1197

}

1202

}

1198

else {

1203

else {

1199

// There is no zone under the mouse or the interaction mode is not "selection zones"

1204

// There is no zone under the mouse or the interaction mode is not "selection zones"

1200

if (impl->m_HoveredZone) {

1205

if (impl->m_HoveredZone) {

1201

impl->m_HoveredZone->setHovered(false);

1206

impl->m_HoveredZone->setHovered(false);

1202

impl->m_HoveredZone = nullptr;

1207

impl->m_HoveredZone = nullptr;

1203

}

1208

}

1204

1209

1205

setCursor(Qt::ArrowCursor);

1210

setCursor(Qt::ArrowCursor);

1206

}

1211

}

1207

1212

1208

impl->m_HasMovedMouse = true;

1213

impl->m_HasMovedMouse = true;

1209

VisualizationDragWidget::mouseMoveEvent(event);

1214

VisualizationDragWidget::mouseMoveEvent(event);

1210

}

1215

}

1211

1216

1212

void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept

1217

void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept

1213

{

1218

{

1214

// Processes event only if the wheel occurs on axis rect

1219

// Processes event only if the wheel occurs on axis rect

1215

if (!dynamic_cast<QCPAxisRect *>(impl->m_plot->layoutElementAt(event->posF()))) {

1220

if (!dynamic_cast<QCPAxisRect *>(impl->m_plot->layoutElementAt(event->posF()))) {

1216

return;

1221

return;

1217

}

1222

}

1218

1223

1219

auto value = event->angleDelta().x() + event->angleDelta().y();

1224

auto value = event->angleDelta().x() + event->angleDelta().y();

1220

if (value != 0) {

1225

if (value != 0) {

1221

1226

1222

auto direction = value > 0 ? 1.0 : -1.0;

1227

auto direction = value > 0 ? 1.0 : -1.0;

1223

auto isZoomX = event->modifiers().testFlag(HORIZONTAL_ZOOM_MODIFIER);

1228

auto isZoomX = event->modifiers().testFlag(HORIZONTAL_ZOOM_MODIFIER);

1224

auto isZoomY = event->modifiers().testFlag(VERTICAL_ZOOM_MODIFIER);

1229

auto isZoomY = event->modifiers().testFlag(VERTICAL_ZOOM_MODIFIER);

1225

impl->m_IsCalibration = event->modifiers().testFlag(VERTICAL_PAN_MODIFIER);

1230

impl->m_IsCalibration = event->modifiers().testFlag(VERTICAL_PAN_MODIFIER);

1226

1231

1227

auto zoomOrientations = QFlags<Qt::Orientation>{};

1232

auto zoomOrientations = QFlags<Qt::Orientation>{};

1228

zoomOrientations.setFlag(Qt::Horizontal, isZoomX);

1233

zoomOrientations.setFlag(Qt::Horizontal, isZoomX);

1229

zoomOrientations.setFlag(Qt::Vertical, isZoomY);

1234

zoomOrientations.setFlag(Qt::Vertical, isZoomY);

1230

1235

1231

impl->m_plot->axisRect()->setRangeZoom(zoomOrientations);

1236

impl->m_plot->axisRect()->setRangeZoom(zoomOrientations);

1232

1237

1233

if (!isZoomX && !isZoomY) {

1238

if (!isZoomX && !isZoomY) {

1234

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

1239

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

1235

auto diff = direction * (axis->range().size() * (PAN_SPEED / 100.0));

1240

auto diff = direction * (axis->range().size() * (PAN_SPEED / 100.0));

1236

1241

1237

axis->setRange(axis->range() + diff);

1242

axis->setRange(axis->range() + diff);

1238

1243

1239

if (plot().noAntialiasingOnDrag()) {

1244

if (plot().noAntialiasingOnDrag()) {

1240

plot().setNotAntialiasedElements(QCP::aeAll);

1245

plot().setNotAntialiasedElements(QCP::aeAll);

1241

}

1246

}

1242

1247

1243

// plot().replot(QCustomPlot::rpQueuedReplot);

1248

// plot().replot(QCustomPlot::rpQueuedReplot);

1244

}

1249

}

1245

}

1250

}

1246

}

1251

}

1247

1252

1248

void VisualizationGraphWidget::onMousePress(QMouseEvent *event) noexcept

1253

void VisualizationGraphWidget::onMousePress(QMouseEvent *event) noexcept

1249

{

1254

{

1250

auto isDragDropClick = event->modifiers().testFlag(DRAG_DROP_MODIFIER);

1255

auto isDragDropClick = event->modifiers().testFlag(DRAG_DROP_MODIFIER);

1251

auto isSelectionZoneMode

1256

auto isSelectionZoneMode

1252

= sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones;

1257

= sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones;

1253

auto isLeftClick = event->buttons().testFlag(Qt::LeftButton);

1258

auto isLeftClick = event->buttons().testFlag(Qt::LeftButton);

1254

1259

1255

if (!isDragDropClick && isLeftClick) {

1260

if (!isDragDropClick && isLeftClick) {

1256

if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::ZoomBox) {

1261

if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::ZoomBox) {

1257

// Starts a zoom box

1262

// Starts a zoom box

1258

impl->startDrawingRect(event->pos());

1263

impl->startDrawingRect(event->pos());

1259

}

1264

}

1260

else if (isSelectionZoneMode && impl->m_DrawingZone == nullptr) {

1265

else if (isSelectionZoneMode && impl->m_DrawingZone == nullptr) {

1261

// Starts a new selection zone

1266

// Starts a new selection zone

1262

auto zoneAtPos = impl->selectionZoneAt(event->pos());

1267

auto zoneAtPos = impl->selectionZoneAt(event->pos());

1263

if (!zoneAtPos) {

1268

if (!zoneAtPos) {

1264

impl->startDrawingZone(event->pos());

1269

impl->startDrawingZone(event->pos());

1265

}

1270

}

1266

}

1271

}

1267

}

1272

}

1268

1273

1269

1274

1270

// Allows zone edition only in selection zone mode without drag&drop

1275

// Allows zone edition only in selection zone mode without drag&drop

1271

impl->setSelectionZonesEditionEnabled(isSelectionZoneMode && !isDragDropClick);

1276

impl->setSelectionZonesEditionEnabled(isSelectionZoneMode && !isDragDropClick);

1272

1277

1273

// Selection / Deselection

1278

// Selection / Deselection

1274

if (isSelectionZoneMode) {

1279

if (isSelectionZoneMode) {

1275

auto isMultiSelectionClick = event->modifiers().testFlag(MULTI_ZONE_SELECTION_MODIFIER);

1280

auto isMultiSelectionClick = event->modifiers().testFlag(MULTI_ZONE_SELECTION_MODIFIER);

1276

auto selectionZoneItemUnderCursor = impl->selectionZoneAt(event->pos());

1281

auto selectionZoneItemUnderCursor = impl->selectionZoneAt(event->pos());

1277

1282

1278

1283

1279

if (selectionZoneItemUnderCursor && !selectionZoneItemUnderCursor->selected()

1284

if (selectionZoneItemUnderCursor && !selectionZoneItemUnderCursor->selected()

1280

&& !isMultiSelectionClick) {

1285

&& !isMultiSelectionClick) {

1281

parentVisualizationWidget()->selectionZoneManager().select(

1286

parentVisualizationWidget()->selectionZoneManager().select(

1282

{selectionZoneItemUnderCursor});

1287

{selectionZoneItemUnderCursor});

1283

}

1288

}

1284

else if (!selectionZoneItemUnderCursor && !isMultiSelectionClick && isLeftClick) {

1289

else if (!selectionZoneItemUnderCursor && !isMultiSelectionClick && isLeftClick) {

1285

parentVisualizationWidget()->selectionZoneManager().clearSelection();

1290

parentVisualizationWidget()->selectionZoneManager().clearSelection();

1286

}

1291

}

1287

else {

1292

else {

1288

// No selection change

1293

// No selection change

1289

}

1294

}

1290

1295

1291

if (selectionZoneItemUnderCursor && isLeftClick) {

1296

if (selectionZoneItemUnderCursor && isLeftClick) {

1292

selectionZoneItemUnderCursor->setAssociatedEditedZones(

1297

selectionZoneItemUnderCursor->setAssociatedEditedZones(

1293

parentVisualizationWidget()->selectionZoneManager().selectedItems());

1298

parentVisualizationWidget()->selectionZoneManager().selectedItems());

1294

}

1299

}

1295

}

1300

}

1296

1301

1297

1302

1298

impl->m_HasMovedMouse = false;

1303

impl->m_HasMovedMouse = false;

1299

VisualizationDragWidget::mousePressEvent(event);

1304

VisualizationDragWidget::mousePressEvent(event);

1300

}

1305

}

1301

1306

1302

void VisualizationGraphWidget::onMouseRelease(QMouseEvent *event) noexcept

1307

void VisualizationGraphWidget::onMouseRelease(QMouseEvent *event) noexcept

1303

{

1308

{

1304

if (impl->m_DrawingZoomRect) {

1309

if (impl->m_DrawingZoomRect) {

1305

1310

1306

auto axisX = plot().axisRect()->axis(QCPAxis::atBottom);

1311

auto axisX = plot().axisRect()->axis(QCPAxis::atBottom);

1307

auto axisY = plot().axisRect()->axis(QCPAxis::atLeft);

1312

auto axisY = plot().axisRect()->axis(QCPAxis::atLeft);

1308

1313

1309

auto newAxisXRange = QCPRange{impl->m_DrawingZoomRect->topLeft->coords().x(),

1314

auto newAxisXRange = QCPRange{impl->m_DrawingZoomRect->topLeft->coords().x(),

1310

impl->m_DrawingZoomRect->bottomRight->coords().x()};

1315

impl->m_DrawingZoomRect->bottomRight->coords().x()};

1311

1316

1312

auto newAxisYRange = QCPRange{impl->m_DrawingZoomRect->topLeft->coords().y(),

1317

auto newAxisYRange = QCPRange{impl->m_DrawingZoomRect->topLeft->coords().y(),

1313

impl->m_DrawingZoomRect->bottomRight->coords().y()};

1318

impl->m_DrawingZoomRect->bottomRight->coords().y()};

1314

1319

1315

impl->removeDrawingRect();

1320

impl->removeDrawingRect();

1316

1321

1317

if (newAxisXRange.size() > axisX->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)

1322

if (newAxisXRange.size() > axisX->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)

1318

&& newAxisYRange.size() > axisY->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)) {

1323

&& newAxisYRange.size() > axisY->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)) {

1319

impl->m_ZoomStack.push(qMakePair(axisX->range(), axisY->range()));

1324

impl->m_ZoomStack.push(qMakePair(axisX->range(), axisY->range()));

1320

axisX->setRange(newAxisXRange);

1325

axisX->setRange(newAxisXRange);

1321

axisY->setRange(newAxisYRange);

1326

axisY->setRange(newAxisYRange);

1322

1327

1323

plot().replot(QCustomPlot::rpQueuedReplot);

1328

plot().replot(QCustomPlot::rpQueuedReplot);

1324

}

1329

}

1325

}

1330

}

1326

1331

1327

impl->endDrawingZone();

1332

impl->endDrawingZone();

1328

1333

1329

// Selection / Deselection

1334

// Selection / Deselection

1330

auto isSelectionZoneMode

1335

auto isSelectionZoneMode

1331

= sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones;

1336

= sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones;

1332

if (isSelectionZoneMode) {

1337

if (isSelectionZoneMode) {

1333

auto isMultiSelectionClick = event->modifiers().testFlag(MULTI_ZONE_SELECTION_MODIFIER);

1338

auto isMultiSelectionClick = event->modifiers().testFlag(MULTI_ZONE_SELECTION_MODIFIER);

1334

auto selectionZoneItemUnderCursor = impl->selectionZoneAt(event->pos());

1339

auto selectionZoneItemUnderCursor = impl->selectionZoneAt(event->pos());

1335

if (selectionZoneItemUnderCursor && event->button() == Qt::LeftButton

1340

if (selectionZoneItemUnderCursor && event->button() == Qt::LeftButton

1336

&& !impl->m_HasMovedMouse) {

1341

&& !impl->m_HasMovedMouse) {

1337

1342

1338

auto zonesUnderCursor = impl->selectionZonesAt(event->pos(), plot());

1343

auto zonesUnderCursor = impl->selectionZonesAt(event->pos(), plot());

1339

if (zonesUnderCursor.count() > 1) {

1344

if (zonesUnderCursor.count() > 1) {

1340

// There are multiple zones under the mouse.

1345

// There are multiple zones under the mouse.

1341

// Performs the selection with a selection dialog.

1346

// Performs the selection with a selection dialog.

1342

VisualizationMultiZoneSelectionDialog dialog{this};

1347

VisualizationMultiZoneSelectionDialog dialog{this};

1343

dialog.setZones(zonesUnderCursor);

1348

dialog.setZones(zonesUnderCursor);

1344

dialog.move(mapToGlobal(event->pos() - QPoint(dialog.width() / 2, 20)));

1349

dialog.move(mapToGlobal(event->pos() - QPoint(dialog.width() / 2, 20)));

1345

dialog.activateWindow();

1350

dialog.activateWindow();

1346

dialog.raise();

1351

dialog.raise();

1347

if (dialog.exec() == QDialog::Accepted) {

1352

if (dialog.exec() == QDialog::Accepted) {

1348

auto selection = dialog.selectedZones();

1353

auto selection = dialog.selectedZones();

1349

1354

1350

if (!isMultiSelectionClick) {

1355

if (!isMultiSelectionClick) {

1351

parentVisualizationWidget()->selectionZoneManager().clearSelection();

1356

parentVisualizationWidget()->selectionZoneManager().clearSelection();

1352

}

1357

}

1353

1358

1354

for (auto it = selection.cbegin(); it != selection.cend(); ++it) {

1359

for (auto it = selection.cbegin(); it != selection.cend(); ++it) {

1355

auto zone = it.key();

1360

auto zone = it.key();

1356

auto isSelected = it.value();

1361

auto isSelected = it.value();

1357

parentVisualizationWidget()->selectionZoneManager().setSelected(zone,

1362

parentVisualizationWidget()->selectionZoneManager().setSelected(zone,

1358

isSelected);

1363

isSelected);

1359

1364

1360

if (isSelected) {

1365

if (isSelected) {

1361

// Puts the zone on top of the stack so it can be moved or resized

1366

// Puts the zone on top of the stack so it can be moved or resized

1362

impl->moveSelectionZoneOnTop(zone, plot());

1367

impl->moveSelectionZoneOnTop(zone, plot());

1363

}

1368

}

1364

}

1369

}

1365

}

1370

}

1366

}

1371

}

1367

else {

1372

else {

1368

if (!isMultiSelectionClick) {

1373

if (!isMultiSelectionClick) {

1369

parentVisualizationWidget()->selectionZoneManager().select(

1374

parentVisualizationWidget()->selectionZoneManager().select(

1370

{selectionZoneItemUnderCursor});

1375

{selectionZoneItemUnderCursor});

1371

impl->moveSelectionZoneOnTop(selectionZoneItemUnderCursor, plot());

1376

impl->moveSelectionZoneOnTop(selectionZoneItemUnderCursor, plot());

1372

}

1377

}

1373

else {

1378

else {

1374

parentVisualizationWidget()->selectionZoneManager().setSelected(

1379

parentVisualizationWidget()->selectionZoneManager().setSelected(

1375

selectionZoneItemUnderCursor, !selectionZoneItemUnderCursor->selected()

1380

selectionZoneItemUnderCursor, !selectionZoneItemUnderCursor->selected()

1376

|| event->button() == Qt::RightButton);

1381

|| event->button() == Qt::RightButton);

1377

}

1382

}

1378

}

1383

}

1379

}

1384

}

1380

else {

1385

else {

1381

// No selection change

1386

// No selection change

1382

}

1387

}

1383

}

1388

}

1384

}

1389

}

1385

1390

1386

void VisualizationGraphWidget::onDataCacheVariableUpdated()

1391

void VisualizationGraphWidget::onDataCacheVariableUpdated()

1387

{

1392

{

1388

auto graphRange = impl->m_plot->xAxis->range();

1393

auto graphRange = impl->m_plot->xAxis->range();

1389

auto dateTime = DateTimeRange{graphRange.lower, graphRange.upper};

1394

auto dateTime = DateTimeRange{graphRange.lower, graphRange.upper};

1390

1395

1391

for (auto &variableEntry : impl->m_VariableToPlotMultiMap) {

1396

for (auto &variableEntry : impl->m_VariableToPlotMultiMap) {

1392

auto variable = variableEntry.first;

1397

auto variable = variableEntry.first;

1393

qCDebug(LOG_VisualizationGraphWidget())

1398

qCDebug(LOG_VisualizationGraphWidget())

1394

<< "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated S" << variable->range();

1399

<< "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated S" << variable->range();

1395

qCDebug(LOG_VisualizationGraphWidget())

1400

qCDebug(LOG_VisualizationGraphWidget())

1396

<< "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated E" << dateTime;

1401

<< "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated E" << dateTime;

1397

if (dateTime.contains(variable->range()) || dateTime.intersect(variable->range())) {

1402

if (dateTime.contains(variable->range()) || dateTime.intersect(variable->range())) {

1398

impl->updateData(variableEntry.second, variable, variable->range());

1403

impl->updateData(variableEntry.second, variable, variable->range());

1399

}

1404

}

1400

}

1405

}

1401

}

1406

}

1402

1407

1403

void VisualizationGraphWidget::onUpdateVarDisplaying(std::shared_ptr<Variable> variable,

1408

void VisualizationGraphWidget::onUpdateVarDisplaying(std::shared_ptr<Variable> variable,

1404

const DateTimeRange &range)

1409

const DateTimeRange &range)

1405

{

1410

{

1406

auto it = impl->m_VariableToPlotMultiMap.find(variable);

1411

auto it = impl->m_VariableToPlotMultiMap.find(variable);

1407

if (it != impl->m_VariableToPlotMultiMap.end()) {

1412

if (it != impl->m_VariableToPlotMultiMap.end()) {

1408

impl->updateData(it->second, variable, range);

1413

impl->updateData(it->second, variable, range);

1409

}

1414

}

1410

}

1415

}

1411

1416

1412

void VisualizationGraphWidget::variableUpdated(QUuid id)

1417

void VisualizationGraphWidget::variableUpdated(QUuid id)

1413

{

1418

{

1414

for (auto &[var, plotables] : impl->m_VariableToPlotMultiMap) {

1419

for (auto &[var, plotables] : impl->m_VariableToPlotMultiMap) {

1415

if (var->ID() == id) {

1420

if (var->ID() == id) {

1416

impl->updateData(plotables, var, this->graphRange());

1421

impl->updateData(plotables, var, this->graphRange());

1417

}

1422

}

1418

}

1423

}

1419

this->impl->rescaleY();

1424

this->impl->rescaleY();

1420

}

1425

}

1421

1426

1422

void VisualizationGraphWidget::variableDeleted(const std::shared_ptr<Variable> & variable)

1427

void VisualizationGraphWidget::variableDeleted(const std::shared_ptr<Variable> & variable)

1423

{

1428

{

1424

this->removeVariable(variable);

1429

this->removeVariable(variable);

1425

}

1430

}

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             #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 <Common/MimeTypesDef.h>
             #include <Data/ArrayData.h>
             #include <Data/IDataSeries.h>
             #include <Data/SpectrogramSeries.h>
             #include <DragAndDrop/DragDropGuiController.h>
             #include <Settings/SqpSettingsDefs.h>
             #include <SqpApplication.h>
             #include <Time/TimeController.h>
             #include <Variable/Variable.h>
             #include <Variable/VariableController2.h>
             #include <Data/DateTimeRangeHelper.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<Variable> 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<Variable>, 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<Variable> 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->dataSeries() != nullptr) {
                     impl->m_RenderingDelegate->setAxesUnits(*variable);
                 }
                 else
                 {
                     auto context = new QObject{this};
                     connect(variable.get(), &Variable::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(), &Variable::updated, this, &VisualizationGraphWidget::variableUpdated);
                 this->onUpdateVarDisplaying(variable, range); // My bullshit
                 emit variableAdded(variable);
             }
             void VisualizationGraphWidget::removeVariable(std::shared_ptr<Variable> 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<Variable> > VisualizationGraphWidget::variables() const
             {
                 auto variables = std::vector<std::shared_ptr<Variable> >{};
                 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<Variable> 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)
             {
                 auto oldRange = graphRange();
                 impl->setRange(range, updateVar);
                 if(forward)
                 {
                     auto newRange = graphRange();
                     if(auto tf = DateTimeRangeHelper::computeTransformation(oldRange,newRange))
                         emit this->transform_sig(tf.value(), 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->zoom_sig(factor, center, orientation, false);
             }
             void VisualizationGraphWidget::move(double factor, Qt::Orientation orientation, bool forward)
             {
                 impl->move(factor, orientation);
                 if(forward)
                     emit this->move_sig(factor, orientation, false);
             }
             void VisualizationGraphWidget::move(double dx, double dy, bool forward)
             {
                 impl->move(dx, dy);
                 if(forward)
                     emit this->move_sig(dx, dy, false);
             }
             void VisualizationGraphWidget::transform(const DateTimeRangeTransformation &tranformation, bool forward)
             {
                 impl->transform(tranformation);
                 if(forward)
                     emit this->transform_sig(tranformation, 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(const Variable &variable) const
             {
                 auto isSpectrogram = [](const auto &variable) {
                     return std::dynamic_pointer_cast<SpectrogramSeries>(variable.dataSeries()) != nullptr;
                 };
                 // - 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(const Variable &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_TYPE_TIME_RANGE, TimeController::mimeDataForTimeRange(
                                                                 selectionZoneItemUnderCursor->range()));
                     mimeData->setData(MIME_TYPE_SELECTION_ZONE, TimeController::mimeDataForTimeRange(
                                                                     selectionZoneItemUnderCursor->range()));
                 }
                 else {
                     mimeData->setData(MIME_TYPE_GRAPH, QByteArray{});
                     auto timeRangeData = TimeController::mimeDataForTimeRange(graphRange());
                     mimeData->setData(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->move_sig(dx,0., false); // don't sync Y transformations
                     }
                     else if(sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::SelectionZones)
                     {
                     }
                 }
                 else
                 {
                     impl->m_RenderingDelegate->updateTooltip(event);
                 }
                 //event->accept();
                 QWidget::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);
                 }
                 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))
                         {
                                 selectedZone->setAssociatedEditedZones(parentVisualizationWidget()->selectionZoneManager().selectedItems());
                         }
                         else
                         {
                             if (!selectedZone)
                             {
                                 parentVisualizationWidget()->selectionZoneManager().clearSelection();
                                 impl->startDrawingZone(event->pos());
                             }
                             else
                             {
                                 parentVisualizationWidget()->selectionZoneManager().select({ selectedZone });
                             }
                         }
                         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);
             }
             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<Variable> 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());
                     }
                 }
                 this->impl->rescaleY();
             }
             void VisualizationGraphWidget::variableDeleted(const std::shared_ptr<Variable> & variable)
             {
                 this->removeVariable(variable);
             }