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#include "Visualization/VisualizationGraphWidget.h"
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#include "Visualization/IVisualizationWidgetVisitor.h"
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#include "Visualization/VisualizationCursorItem.h"
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#include "Visualization/VisualizationDefs.h"
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#include "Visualization/VisualizationGraphHelper.h"
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#include "Visualization/VisualizationGraphRenderingDelegate.h"
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#include "Visualization/VisualizationZoneWidget.h"
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#include "ui_VisualizationGraphWidget.h"
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#include <Common/MimeTypesDef.h>
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#include <Data/ArrayData.h>
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#include <Data/IDataSeries.h>
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#include <DragAndDrop/DragDropHelper.h>
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#include <Settings/SqpSettingsDefs.h>
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#include <SqpApplication.h>
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#include <Time/TimeController.h>
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#include <Variable/Variable.h>
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#include <Variable/VariableController.h>
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#include <unordered_map>
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Q_LOGGING_CATEGORY(LOG_VisualizationGraphWidget, "VisualizationGraphWidget")
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namespace {
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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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/// Key pressed to enable zoom on vertical axis
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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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const auto PAN_SPEED = 5;
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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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/// 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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/// 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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} // namespace
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struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate {
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explicit VisualizationGraphWidgetPrivate(const QString &name)
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: m_Name{name},
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m_DoAcquisition{true},
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m_IsCalibration{false},
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m_RenderingDelegate{nullptr}
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{
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}
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QString m_Name;
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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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bool m_DoAcquisition;
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bool m_IsCalibration;
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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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QCPItemRect *m_DrawingRect = 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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void configureDrawingRect()
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{
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if (m_DrawingRect) {
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QPen p;
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p.setWidth(2);
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m_DrawingRect->setPen(p);
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}
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}
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void startDrawingRect(const QPoint &pos, QCustomPlot &plot)
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{
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removeDrawingRect(plot);
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auto axisPos = posToAxisPos(pos, plot);
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m_DrawingRect = new QCPItemRect{&plot};
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configureDrawingRect();
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m_DrawingRect->topLeft->setCoords(axisPos);
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m_DrawingRect->bottomRight->setCoords(axisPos);
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}
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void removeDrawingRect(QCustomPlot &plot)
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{
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if (m_DrawingRect) {
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plot.removeItem(m_DrawingRect); // the item is deleted by QCustomPlot
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m_DrawingRect = nullptr;
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plot.replot(QCustomPlot::rpQueuedReplot);
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}
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}
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QPointF posToAxisPos(const QPoint &pos, QCustomPlot &plot) const
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{
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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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return QPointF{axisX->pixelToCoord(pos.x()), axisY->pixelToCoord(pos.y())};
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}
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bool pointIsInAxisRect(const QPointF &axisPoint, QCustomPlot &plot) const
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{
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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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return axisX->range().contains(axisPoint.x()) && axisY->range().contains(axisPoint.y());
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}
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};
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VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget *parent)
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: VisualizationDragWidget{parent},
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ui{new Ui::VisualizationGraphWidget},
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impl{spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>(name)}
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{
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ui->setupUi(this);
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// 'Close' options : widget is deleted when closed
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setAttribute(Qt::WA_DeleteOnClose);
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// Set qcpplot properties :
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// - Drag (on x-axis) and zoom are enabled
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// - Mouse wheel on qcpplot is intercepted to determine the zoom orientation
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ui->widget->setInteractions(QCP::iRangeZoom | QCP::iSelectItems);
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// The delegate must be initialized after the ui as it uses the plot
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impl->m_RenderingDelegate = std::make_unique<VisualizationGraphRenderingDelegate>(*this);
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// Init the cursors
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impl->m_HorizontalCursor = std::make_unique<VisualizationCursorItem>(&plot());
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impl->m_HorizontalCursor->setOrientation(Qt::Horizontal);
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impl->m_VerticalCursor = std::make_unique<VisualizationCursorItem>(&plot());
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impl->m_VerticalCursor->setOrientation(Qt::Vertical);
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connect(ui->widget, &QCustomPlot::mousePress, this, &VisualizationGraphWidget::onMousePress);
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connect(ui->widget, &QCustomPlot::mouseRelease, this,
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&VisualizationGraphWidget::onMouseRelease);
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connect(ui->widget, &QCustomPlot::mouseMove, this, &VisualizationGraphWidget::onMouseMove);
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connect(ui->widget, &QCustomPlot::mouseWheel, this, &VisualizationGraphWidget::onMouseWheel);
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connect(ui->widget->xAxis, static_cast<void (QCPAxis::*)(const QCPRange &, const QCPRange &)>(
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&QCPAxis::rangeChanged),
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this, &VisualizationGraphWidget::onRangeChanged, Qt::DirectConnection);
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// Activates menu when right clicking on the graph
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ui->widget->setContextMenuPolicy(Qt::CustomContextMenu);
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connect(ui->widget, &QCustomPlot::customContextMenuRequested, this,
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&VisualizationGraphWidget::onGraphMenuRequested);
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connect(this, &VisualizationGraphWidget::requestDataLoading, &sqpApp->variableController(),
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&VariableController::onRequestDataLoading);
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connect(&sqpApp->variableController(), &VariableController::updateVarDisplaying, this,
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&VisualizationGraphWidget::onUpdateVarDisplaying);
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#ifdef Q_OS_MAC
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plot().setPlottingHint(QCP::phFastPolylines, true);
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#endif
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}
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VisualizationGraphWidget::~VisualizationGraphWidget()
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{
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delete ui;
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}
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VisualizationZoneWidget *VisualizationGraphWidget::parentZoneWidget() const noexcept
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{
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auto parent = parentWidget();
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while (parent != nullptr && !qobject_cast<VisualizationZoneWidget *>(parent)) {
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parent = parent->parentWidget();
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}
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return qobject_cast<VisualizationZoneWidget *>(parent);
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}
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void VisualizationGraphWidget::enableAcquisition(bool enable)
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{
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impl->m_DoAcquisition = enable;
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}
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void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable, SqpRange range)
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{
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// Uses delegate to create the qcpplot components according to the variable
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auto createdPlottables = VisualizationGraphHelper::create(variable, *ui->widget);
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if (auto dataSeries = variable->dataSeries()) {
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// Set axes properties according to the units of the data series
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impl->m_RenderingDelegate->setAxesProperties(dataSeries);
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// Sets rendering properties for the new plottables
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// Warning: this method must be called after setAxesProperties(), as it can access to some
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// axes properties that have to be initialized
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impl->m_RenderingDelegate->setPlottablesProperties(dataSeries, createdPlottables);
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}
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impl->m_VariableToPlotMultiMap.insert({variable, std::move(createdPlottables)});
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connect(variable.get(), SIGNAL(updated()), this, SLOT(onDataCacheVariableUpdated()));
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this->enableAcquisition(false);
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this->setGraphRange(range);
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this->enableAcquisition(true);
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emit requestDataLoading(QVector<std::shared_ptr<Variable> >() << variable, range, false);
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emit variableAdded(variable);
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}
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void VisualizationGraphWidget::removeVariable(std::shared_ptr<Variable> variable) noexcept
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{
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// Each component associated to the variable :
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// - is removed from qcpplot (which deletes it)
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// - is no longer referenced in the map
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auto variableIt = impl->m_VariableToPlotMultiMap.find(variable);
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if (variableIt != impl->m_VariableToPlotMultiMap.cend()) {
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emit variableAboutToBeRemoved(variable);
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auto &plottablesMap = variableIt->second;
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for (auto plottableIt = plottablesMap.cbegin(), plottableEnd = plottablesMap.cend();
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plottableIt != plottableEnd;) {
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ui->widget->removePlottable(plottableIt->second);
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plottableIt = plottablesMap.erase(plottableIt);
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}
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impl->m_VariableToPlotMultiMap.erase(variableIt);
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}
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// Updates graph
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ui->widget->replot();
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}
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QList<std::shared_ptr<Variable> > VisualizationGraphWidget::variables() const
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{
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auto variables = QList<std::shared_ptr<Variable> >{};
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for (auto it = std::cbegin(impl->m_VariableToPlotMultiMap);
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it != std::cend(impl->m_VariableToPlotMultiMap); ++it) {
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variables << it->first;
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}
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return variables;
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}
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void VisualizationGraphWidget::setYRange(std::shared_ptr<Variable> variable)
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{
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if (!variable) {
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qCCritical(LOG_VisualizationGraphWidget()) << "Can't set y-axis range: variable is null";
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return;
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}
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VisualizationGraphHelper::setYAxisRange(variable, *ui->widget);
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}
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SqpRange VisualizationGraphWidget::graphRange() const noexcept
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{
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auto graphRange = ui->widget->xAxis->range();
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return SqpRange{graphRange.lower, graphRange.upper};
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}
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void VisualizationGraphWidget::setGraphRange(const SqpRange &range)
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{
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qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::setGraphRange START");
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ui->widget->xAxis->setRange(range.m_TStart, range.m_TEnd);
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ui->widget->replot();
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qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::setGraphRange END");
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}
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void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor *visitor)
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{
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if (visitor) {
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visitor->visit(this);
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}
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else {
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qCCritical(LOG_VisualizationGraphWidget())
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<< tr("Can't visit widget : the visitor is null");
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}
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}
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bool VisualizationGraphWidget::canDrop(const Variable &variable) const
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{
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/// @todo : for the moment, a graph can always accomodate a variable
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Q_UNUSED(variable);
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return true;
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}
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bool VisualizationGraphWidget::contains(const Variable &variable) const
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{
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// Finds the variable among the keys of the map
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auto variablePtr = &variable;
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auto findVariable
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= [variablePtr](const auto &entry) { return variablePtr == entry.first.get(); };
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auto end = impl->m_VariableToPlotMultiMap.cend();
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auto it = std::find_if(impl->m_VariableToPlotMultiMap.cbegin(), end, findVariable);
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return it != end;
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}
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QString VisualizationGraphWidget::name() const
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{
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return impl->m_Name;
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}
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QMimeData *VisualizationGraphWidget::mimeData() const
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{
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auto mimeData = new QMimeData;
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mimeData->setData(MIME_TYPE_GRAPH, QByteArray{});
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auto timeRangeData = TimeController::mimeDataForTimeRange(graphRange());
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mimeData->setData(MIME_TYPE_TIME_RANGE, timeRangeData);
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return mimeData;
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}
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bool VisualizationGraphWidget::isDragAllowed() const
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{
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return true;
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}
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void VisualizationGraphWidget::highlightForMerge(bool highlighted)
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{
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if (highlighted) {
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plot().setBackground(QBrush(QColor("#BBD5EE")));
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}
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else {
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plot().setBackground(QBrush(Qt::white));
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}
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plot().update();
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}
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void VisualizationGraphWidget::addVerticalCursor(double time)
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{
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impl->m_VerticalCursor->setPosition(time);
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impl->m_VerticalCursor->setVisible(true);
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auto text
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= DateUtils::dateTime(time).toString(CURSOR_LABELS_DATETIME_FORMAT).replace(' ', '\n');
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impl->m_VerticalCursor->setLabelText(text);
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}
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void VisualizationGraphWidget::addVerticalCursorAtViewportPosition(double position)
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{
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impl->m_VerticalCursor->setAbsolutePosition(position);
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impl->m_VerticalCursor->setVisible(true);
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auto axis = plot().axisRect()->axis(QCPAxis::atBottom);
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auto text
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= DateUtils::dateTime(axis->pixelToCoord(position)).toString(CURSOR_LABELS_DATETIME_FORMAT);
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impl->m_VerticalCursor->setLabelText(text);
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}
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void VisualizationGraphWidget::removeVerticalCursor()
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{
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impl->m_VerticalCursor->setVisible(false);
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plot().replot(QCustomPlot::rpQueuedReplot);
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}
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void VisualizationGraphWidget::addHorizontalCursor(double value)
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{
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impl->m_HorizontalCursor->setPosition(value);
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impl->m_HorizontalCursor->setVisible(true);
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impl->m_HorizontalCursor->setLabelText(QString::number(value));
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}
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void VisualizationGraphWidget::addHorizontalCursorAtViewportPosition(double position)
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{
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impl->m_HorizontalCursor->setAbsolutePosition(position);
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impl->m_HorizontalCursor->setVisible(true);
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auto axis = plot().axisRect()->axis(QCPAxis::atLeft);
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impl->m_HorizontalCursor->setLabelText(QString::number(axis->pixelToCoord(position)));
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}
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void VisualizationGraphWidget::removeHorizontalCursor()
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{
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impl->m_HorizontalCursor->setVisible(false);
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plot().replot(QCustomPlot::rpQueuedReplot);
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}
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void VisualizationGraphWidget::closeEvent(QCloseEvent *event)
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{
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Q_UNUSED(event);
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// Prevents that all variables will be removed from graph when it will be closed
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for (auto &variableEntry : impl->m_VariableToPlotMultiMap) {
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emit variableAboutToBeRemoved(variableEntry.first);
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}
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}
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void VisualizationGraphWidget::enterEvent(QEvent *event)
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{
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Q_UNUSED(event);
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impl->m_RenderingDelegate->showGraphOverlay(true);
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}
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void VisualizationGraphWidget::leaveEvent(QEvent *event)
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{
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Q_UNUSED(event);
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impl->m_RenderingDelegate->showGraphOverlay(false);
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if (auto parentZone = parentZoneWidget()) {
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parentZone->notifyMouseLeaveGraph(this);
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}
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else {
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qCWarning(LOG_VisualizationGraphWidget()) << "leaveEvent: No parent zone widget";
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}
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}
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QCustomPlot &VisualizationGraphWidget::plot() noexcept
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{
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return *ui->widget;
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}
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void VisualizationGraphWidget::onGraphMenuRequested(const QPoint &pos) noexcept
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{
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QMenu graphMenu{};
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// Iterates on variables (unique keys)
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for (auto it = impl->m_VariableToPlotMultiMap.cbegin(),
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end = impl->m_VariableToPlotMultiMap.cend();
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it != end; it = impl->m_VariableToPlotMultiMap.upper_bound(it->first)) {
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// 'Remove variable' action
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graphMenu.addAction(tr("Remove variable %1").arg(it->first->name()),
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[ this, var = it->first ]() { removeVariable(var); });
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}
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if (!graphMenu.isEmpty()) {
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|
|
graphMenu.exec(QCursor::pos());
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void VisualizationGraphWidget::onRangeChanged(const QCPRange &t1, const QCPRange &t2)
|
|
|
{
|
|
|
qCDebug(LOG_VisualizationGraphWidget()) << tr("TORM: VisualizationGraphWidget::onRangeChanged")
|
|
|
<< QThread::currentThread()->objectName() << "DoAcqui"
|
|
|
<< impl->m_DoAcquisition;
|
|
|
|
|
|
auto graphRange = SqpRange{t1.lower, t1.upper};
|
|
|
auto oldGraphRange = SqpRange{t2.lower, t2.upper};
|
|
|
|
|
|
if (impl->m_DoAcquisition) {
|
|
|
QVector<std::shared_ptr<Variable> > variableUnderGraphVector;
|
|
|
|
|
|
for (auto it = impl->m_VariableToPlotMultiMap.begin(),
|
|
|
end = impl->m_VariableToPlotMultiMap.end();
|
|
|
it != end; it = impl->m_VariableToPlotMultiMap.upper_bound(it->first)) {
|
|
|
variableUnderGraphVector.push_back(it->first);
|
|
|
}
|
|
|
emit requestDataLoading(std::move(variableUnderGraphVector), graphRange,
|
|
|
!impl->m_IsCalibration);
|
|
|
|
|
|
if (!impl->m_IsCalibration) {
|
|
|
qCDebug(LOG_VisualizationGraphWidget())
|
|
|
<< tr("TORM: VisualizationGraphWidget::Synchronize notify !!")
|
|
|
<< QThread::currentThread()->objectName() << graphRange << oldGraphRange;
|
|
|
emit synchronize(graphRange, oldGraphRange);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
auto pos = mapFromGlobal(QCursor::pos());
|
|
|
auto axisPos = impl->posToAxisPos(pos, plot());
|
|
|
if (auto parentZone = parentZoneWidget()) {
|
|
|
if (impl->pointIsInAxisRect(axisPos, plot())) {
|
|
|
parentZone->notifyMouseMoveInGraph(pos, axisPos, this);
|
|
|
}
|
|
|
else {
|
|
|
parentZone->notifyMouseLeaveGraph(this);
|
|
|
}
|
|
|
}
|
|
|
else {
|
|
|
qCWarning(LOG_VisualizationGraphWidget()) << "onMouseMove: No parent zone widget";
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void VisualizationGraphWidget::onMouseMove(QMouseEvent *event) noexcept
|
|
|
{
|
|
|
// Handles plot rendering when mouse is moving
|
|
|
impl->m_RenderingDelegate->onMouseMove(event);
|
|
|
|
|
|
auto axisPos = impl->posToAxisPos(event->pos(), plot());
|
|
|
|
|
|
if (impl->m_DrawingRect) {
|
|
|
impl->m_DrawingRect->bottomRight->setCoords(axisPos);
|
|
|
}
|
|
|
|
|
|
if (auto parentZone = parentZoneWidget()) {
|
|
|
if (impl->pointIsInAxisRect(axisPos, plot())) {
|
|
|
parentZone->notifyMouseMoveInGraph(event->pos(), axisPos, this);
|
|
|
}
|
|
|
else {
|
|
|
parentZone->notifyMouseLeaveGraph(this);
|
|
|
}
|
|
|
}
|
|
|
else {
|
|
|
qCWarning(LOG_VisualizationGraphWidget()) << "onMouseMove: No parent zone widget";
|
|
|
}
|
|
|
|
|
|
VisualizationDragWidget::mouseMoveEvent(event);
|
|
|
}
|
|
|
|
|
|
void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept
|
|
|
{
|
|
|
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);
|
|
|
|
|
|
ui->widget->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
|
|
|
{
|
|
|
if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::ZoomBox) {
|
|
|
impl->startDrawingRect(event->pos(), plot());
|
|
|
}
|
|
|
|
|
|
VisualizationDragWidget::mousePressEvent(event);
|
|
|
}
|
|
|
|
|
|
void VisualizationGraphWidget::onMouseRelease(QMouseEvent *event) noexcept
|
|
|
{
|
|
|
if (impl->m_DrawingRect) {
|
|
|
|
|
|
auto axisX = plot().axisRect()->axis(QCPAxis::atBottom);
|
|
|
auto axisY = plot().axisRect()->axis(QCPAxis::atLeft);
|
|
|
|
|
|
auto newAxisXRange = QCPRange{impl->m_DrawingRect->topLeft->coords().x(),
|
|
|
impl->m_DrawingRect->bottomRight->coords().x()};
|
|
|
|
|
|
auto newAxisYRange = QCPRange{impl->m_DrawingRect->topLeft->coords().y(),
|
|
|
impl->m_DrawingRect->bottomRight->coords().y()};
|
|
|
|
|
|
impl->removeDrawingRect(plot());
|
|
|
|
|
|
if (newAxisXRange.size() > axisX->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)
|
|
|
&& newAxisYRange.size() > axisY->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)) {
|
|
|
axisX->setRange(newAxisXRange);
|
|
|
axisY->setRange(newAxisYRange);
|
|
|
|
|
|
plot().replot(QCustomPlot::rpQueuedReplot);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
impl->m_IsCalibration = false;
|
|
|
}
|
|
|
|
|
|
void VisualizationGraphWidget::onDataCacheVariableUpdated()
|
|
|
{
|
|
|
auto graphRange = ui->widget->xAxis->range();
|
|
|
auto dateTime = SqpRange{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())) {
|
|
|
VisualizationGraphHelper::updateData(variableEntry.second, variable->dataSeries(),
|
|
|
variable->range());
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void VisualizationGraphWidget::onUpdateVarDisplaying(std::shared_ptr<Variable> variable,
|
|
|
const SqpRange &range)
|
|
|
{
|
|
|
auto it = impl->m_VariableToPlotMultiMap.find(variable);
|
|
|
if (it != impl->m_VariableToPlotMultiMap.end()) {
|
|
|
VisualizationGraphHelper::updateData(it->second, variable->dataSeries(), range);
|
|
|
}
|
|
|
}
|
|
|
|
