VisualizationGraphWidget.cpp
320 lines
| 12.1 KiB
| text/x-c
|
CppLexer
| r95 | #include "Visualization/VisualizationGraphWidget.h" | |||
Alexandre Leroux
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r207 | #include "Visualization/IVisualizationWidgetVisitor.h" | ||
| r243 | #include "Visualization/VisualizationGraphHelper.h" | |||
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r480 | #include "Visualization/VisualizationGraphRenderingDelegate.h" | ||
| r58 | #include "ui_VisualizationGraphWidget.h" | |||
| r235 | #include <Data/ArrayData.h> | |||
| #include <Data/IDataSeries.h> | ||||
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r470 | #include <Settings/SqpSettingsDefs.h> | ||
| r235 | #include <SqpApplication.h> | |||
| r118 | #include <Variable/Variable.h> | |||
| r235 | #include <Variable/VariableController.h> | |||
| r118 | #include <unordered_map> | |||
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r219 | Q_LOGGING_CATEGORY(LOG_VisualizationGraphWidget, "VisualizationGraphWidget") | ||
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r179 | namespace { | ||
| /// Key pressed to enable zoom on horizontal axis | ||||
| const auto HORIZONTAL_ZOOM_MODIFIER = Qt::NoModifier; | ||||
| /// Key pressed to enable zoom on vertical axis | ||||
| const auto VERTICAL_ZOOM_MODIFIER = Qt::ControlModifier; | ||||
| } // namespace | ||||
| r118 | struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate { | |||
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r480 | explicit VisualizationGraphWidgetPrivate() | ||
| r539 | : m_DoAcquisition{true}, m_IsCalibration{false}, m_RenderingDelegate{nullptr} | |||
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r480 | { | ||
| } | ||||
| r445 | ||||
| r118 | // 1 variable -> n qcpplot | |||
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r270 | std::multimap<std::shared_ptr<Variable>, QCPAbstractPlottable *> m_VariableToPlotMultiMap; | ||
| r539 | bool m_DoAcquisition; | |||
| r445 | bool m_IsCalibration; | |||
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r480 | QCPItemTracer *m_TextTracer; | ||
| /// Delegate used to attach rendering features to the plot | ||||
| std::unique_ptr<VisualizationGraphRenderingDelegate> m_RenderingDelegate; | ||||
| r118 | }; | |||
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r205 | VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget *parent) | ||
| r120 | : QWidget{parent}, | |||
| ui{new Ui::VisualizationGraphWidget}, | ||||
| r118 | impl{spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>()} | |||
| r58 | { | |||
| ui->setupUi(this); | ||||
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r178 | |||
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r480 | // The delegate must be initialized after the ui as it uses the plot | ||
| impl->m_RenderingDelegate = std::make_unique<VisualizationGraphRenderingDelegate>(*ui->widget); | ||||
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r266 | ui->graphNameLabel->setText(name); | ||
| // 'Close' options : widget is deleted when closed | ||||
| setAttribute(Qt::WA_DeleteOnClose); | ||||
| connect(ui->closeButton, &QToolButton::clicked, this, &VisualizationGraphWidget::close); | ||||
| ui->closeButton->setIcon(sqpApp->style()->standardIcon(QStyle::SP_TitleBarCloseButton)); | ||||
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r196 | |||
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r178 | // Set qcpplot properties : | ||
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r180 | // - Drag (on x-axis) and zoom are enabled | ||
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r179 | // - Mouse wheel on qcpplot is intercepted to determine the zoom orientation | ||
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r178 | ui->widget->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom); | ||
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r180 | ui->widget->axisRect()->setRangeDrag(Qt::Horizontal); | ||
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r481 | |||
| r445 | connect(ui->widget, &QCustomPlot::mousePress, this, &VisualizationGraphWidget::onMousePress); | |||
| connect(ui->widget, &QCustomPlot::mouseRelease, this, | ||||
| &VisualizationGraphWidget::onMouseRelease); | ||||
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r481 | connect(ui->widget, &QCustomPlot::mouseMove, this, &VisualizationGraphWidget::onMouseMove); | ||
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r179 | connect(ui->widget, &QCustomPlot::mouseWheel, this, &VisualizationGraphWidget::onMouseWheel); | ||
| r444 | connect(ui->widget->xAxis, static_cast<void (QCPAxis::*)(const QCPRange &, const QCPRange &)>( | |||
| &QCPAxis::rangeChanged), | ||||
| r445 | this, &VisualizationGraphWidget::onRangeChanged, Qt::DirectConnection); | |||
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r269 | |||
| // Activates menu when right clicking on the graph | ||||
| ui->widget->setContextMenuPolicy(Qt::CustomContextMenu); | ||||
| connect(ui->widget, &QCustomPlot::customContextMenuRequested, this, | ||||
| &VisualizationGraphWidget::onGraphMenuRequested); | ||||
| r298 | ||||
| connect(this, &VisualizationGraphWidget::requestDataLoading, &sqpApp->variableController(), | ||||
| &VariableController::onRequestDataLoading); | ||||
| r571 | ||||
| connect(&sqpApp->variableController(), &VariableController::updateVarDisplaying, this, | ||||
| &VisualizationGraphWidget::onUpdateVarDisplaying); | ||||
| r58 | } | |||
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r227 | |||
| r58 | VisualizationGraphWidget::~VisualizationGraphWidget() | |||
| { | ||||
| delete ui; | ||||
| } | ||||
| r118 | ||||
| r539 | void VisualizationGraphWidget::enableAcquisition(bool enable) | |||
| r444 | { | |||
| r539 | impl->m_DoAcquisition = enable; | |||
| r444 | } | |||
| r548 | void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable, SqpRange range) | |||
| r118 | { | |||
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r184 | // Uses delegate to create the qcpplot components according to the variable | ||
| r548 | auto createdPlottables = VisualizationGraphHelper::createV2(variable, *ui->widget); | |||
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r184 | |||
| for (auto createdPlottable : qAsConst(createdPlottables)) { | ||||
| r235 | impl->m_VariableToPlotMultiMap.insert({variable, createdPlottable}); | |||
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r184 | } | ||
| r235 | ||||
| r298 | connect(variable.get(), SIGNAL(updated()), this, SLOT(onDataCacheVariableUpdated())); | |||
| r540 | ||||
| r548 | auto varRange = variable->range(); | |||
| r314 | ||||
| r548 | this->enableAcquisition(false); | |||
| this->setGraphRange(range); | ||||
| this->enableAcquisition(true); | ||||
| r314 | ||||
| r548 | emit requestDataLoading(QVector<std::shared_ptr<Variable> >() << variable, range, varRange, | |||
| false); | ||||
| emit variableAdded(variable); | ||||
| r314 | } | |||
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r270 | void VisualizationGraphWidget::removeVariable(std::shared_ptr<Variable> variable) noexcept | ||
| { | ||||
|
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r271 | // Each component associated to the variable : | ||
| // - is removed from qcpplot (which deletes it) | ||||
| // - is no longer referenced in the map | ||||
| auto componentsIt = impl->m_VariableToPlotMultiMap.equal_range(variable); | ||||
| for (auto it = componentsIt.first; it != componentsIt.second;) { | ||||
| ui->widget->removePlottable(it->second); | ||||
| it = impl->m_VariableToPlotMultiMap.erase(it); | ||||
| } | ||||
| // Updates graph | ||||
| ui->widget->replot(); | ||||
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Alexandre Leroux
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r270 | } | ||
| r512 | void VisualizationGraphWidget::setRange(std::shared_ptr<Variable> variable, const SqpRange &range) | |||
| r438 | { | |||
| r447 | // Note: in case of different axes that depends on variable, we could start with a code like | |||
| // that: | ||||
| r438 | // auto componentsIt = impl->m_VariableToPlotMultiMap.equal_range(variable); | |||
| // for (auto it = componentsIt.first; it != componentsIt.second;) { | ||||
| // } | ||||
| ui->widget->xAxis->setRange(range.m_TStart, range.m_TEnd); | ||||
| r444 | ui->widget->replot(); | |||
| } | ||||
| r548 | void VisualizationGraphWidget::setYRange(const SqpRange &range) | |||
| { | ||||
| ui->widget->yAxis->setRange(range.m_TStart, range.m_TEnd); | ||||
| } | ||||
| r512 | SqpRange VisualizationGraphWidget::graphRange() const noexcept | |||
| r444 | { | |||
| r545 | auto graphRange = ui->widget->xAxis->range(); | |||
| return SqpRange{graphRange.lower, graphRange.upper}; | ||||
| r444 | } | |||
| r512 | void VisualizationGraphWidget::setGraphRange(const SqpRange &range) | |||
| r444 | { | |||
| r445 | qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::setGraphRange START"); | |||
| r444 | ui->widget->xAxis->setRange(range.m_TStart, range.m_TEnd); | |||
| ui->widget->replot(); | ||||
| qCDebug(LOG_VisualizationGraphWidget()) << tr("VisualizationGraphWidget::setGraphRange END"); | ||||
| r438 | } | |||
|
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r207 | void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor *visitor) | ||
| r118 | { | |||
|
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r208 | if (visitor) { | ||
| visitor->visit(this); | ||||
| } | ||||
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r219 | else { | ||
| qCCritical(LOG_VisualizationGraphWidget()) | ||||
| << tr("Can't visit widget : the visitor is null"); | ||||
| } | ||||
| r118 | } | |||
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r209 | bool VisualizationGraphWidget::canDrop(const Variable &variable) const | ||
| { | ||||
| /// @todo : for the moment, a graph can always accomodate a variable | ||||
| Q_UNUSED(variable); | ||||
| return true; | ||||
| } | ||||
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Alexandre Leroux
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r327 | 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; | ||||
| } | ||||
| r119 | QString VisualizationGraphWidget::name() const | |||
| r118 | { | |||
|
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r266 | return ui->graphNameLabel->text(); | ||
| r118 | } | |||
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r269 | void VisualizationGraphWidget::onGraphMenuRequested(const QPoint &pos) noexcept | ||
| r118 | { | |||
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r269 | QMenu graphMenu{}; | ||
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r270 | // 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); }); | ||||
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r196 | } | ||
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r269 | |||
| if (!graphMenu.isEmpty()) { | ||||
| graphMenu.exec(mapToGlobal(pos)); | ||||
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r196 | } | ||
| r118 | } | |||
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r179 | |||
| r444 | void VisualizationGraphWidget::onRangeChanged(const QCPRange &t1, const QCPRange &t2) | |||
|
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r227 | { | ||
| r539 | qCDebug(LOG_VisualizationGraphWidget()) << tr("TORM: VisualizationGraphWidget::onRangeChanged") | |||
| << QThread::currentThread()->objectName() << "DoAcqui" | ||||
| << impl->m_DoAcquisition; | ||||
| r444 | ||||
| r539 | auto graphRange = SqpRange{t1.lower, t1.upper}; | |||
| auto oldGraphRange = SqpRange{t2.lower, t2.upper}; | ||||
| r235 | ||||
| r539 | if (impl->m_DoAcquisition) { | |||
| QVector<std::shared_ptr<Variable> > variableUnderGraphVector; | ||||
| r258 | ||||
| r539 | 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); | ||||
| r235 | } | |||
| r539 | emit requestDataLoading(std::move(variableUnderGraphVector), graphRange, oldGraphRange, | |||
| !impl->m_IsCalibration); | ||||
| if (!impl->m_IsCalibration) { | ||||
| r542 | qCDebug(LOG_VisualizationGraphWidget()) | |||
| r539 | << tr("TORM: VisualizationGraphWidget::Synchronize notify !!") | |||
| r540 | << QThread::currentThread()->objectName() << graphRange << oldGraphRange; | |||
| r539 | emit synchronize(graphRange, oldGraphRange); | |||
| r318 | } | |||
|
Alexandre Leroux
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r227 | } | ||
| } | ||||
|
Alexandre Leroux
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r481 | void VisualizationGraphWidget::onMouseMove(QMouseEvent *event) noexcept | ||
| { | ||||
| // Handles plot rendering when mouse is moving | ||||
| impl->m_RenderingDelegate->onMouseMove(event); | ||||
| } | ||||
|
Alexandre Leroux
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r179 | void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept | ||
| { | ||||
| auto zoomOrientations = QFlags<Qt::Orientation>{}; | ||||
| r260 | // Lambda that enables a zoom orientation if the key modifier related to this orientation | |||
| // has | ||||
|
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r179 | // been pressed | ||
| auto enableOrientation | ||||
| = [&zoomOrientations, event](const auto &orientation, const auto &modifier) { | ||||
| auto orientationEnabled = event->modifiers().testFlag(modifier); | ||||
| zoomOrientations.setFlag(orientation, orientationEnabled); | ||||
| }; | ||||
| enableOrientation(Qt::Vertical, VERTICAL_ZOOM_MODIFIER); | ||||
| enableOrientation(Qt::Horizontal, HORIZONTAL_ZOOM_MODIFIER); | ||||
| ui->widget->axisRect()->setRangeZoom(zoomOrientations); | ||||
| } | ||||
| r235 | ||||
| r445 | void VisualizationGraphWidget::onMousePress(QMouseEvent *event) noexcept | |||
| { | ||||
| impl->m_IsCalibration = event->modifiers().testFlag(Qt::ControlModifier); | ||||
| } | ||||
| void VisualizationGraphWidget::onMouseRelease(QMouseEvent *event) noexcept | ||||
| { | ||||
| impl->m_IsCalibration = false; | ||||
| } | ||||
| r235 | void VisualizationGraphWidget::onDataCacheVariableUpdated() | |||
| { | ||||
| r243 | // NOTE: | |||
| r260 | // We don't want to call the method for each component of a variable unitarily, but for | |||
| // all | ||||
| r243 | // its components at once (eg its three components in the case of a vector). | |||
| // The unordered_multimap does not do this easily, so the question is whether to: | ||||
| // - use an ordered_multimap and the algos of std to group the values by key | ||||
| // - use a map (unique keys) and store as values directly the list of components | ||||
| r545 | auto graphRange = ui->widget->xAxis->range(); | |||
| auto dateTime = SqpRange{graphRange.lower, graphRange.upper}; | ||||
| r433 | ||||
| r235 | for (auto it = impl->m_VariableToPlotMultiMap.cbegin(); | |||
| it != impl->m_VariableToPlotMultiMap.cend(); ++it) { | ||||
| auto variable = it->first; | ||||
| r441 | qCDebug(LOG_VisualizationGraphWidget()) | |||
| r539 | << "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated S" << variable->range(); | |||
| r441 | qCDebug(LOG_VisualizationGraphWidget()) | |||
| r433 | << "TORM: VisualizationGraphWidget::onDataCacheVariableUpdated E" << dateTime; | |||
| r539 | if (dateTime.contains(variable->range()) || dateTime.intersect(variable->range())) { | |||
| r433 | ||||
| VisualizationGraphHelper::updateData(QVector<QCPAbstractPlottable *>{} << it->second, | ||||
| r539 | variable->dataSeries(), variable->range()); | |||
| r433 | } | |||
| r235 | } | |||
| } | ||||
| r571 | ||||
| void VisualizationGraphWidget::onUpdateVarDisplaying(std::shared_ptr<Variable> variable, | ||||
| const SqpRange &range) | ||||
| { | ||||
| auto componentsIt = impl->m_VariableToPlotMultiMap.equal_range(variable); | ||||
| for (auto it = componentsIt.first; it != componentsIt.second;) { | ||||
| VisualizationGraphHelper::updateData(QVector<QCPAbstractPlottable *>{} << it->second, | ||||
| variable->dataSeries(), range); | ||||
| } | ||||
| } | ||||
