HG_REPOSITORIES/LPP/SciQLOP_Repos/SciQLop Commit - r578:4cbf5bf3dd44

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#include "Visualization/VisualizationGraphRenderingDelegate.h"

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#include "Visualization/VisualizationGraphRenderingDelegate.h"

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#include "Visualization/qcustomplot.h"

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#include "Visualization/qcustomplot.h"

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#include <Common/DateUtils.h>

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#include <Common/DateUtils.h>

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namespace {

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namespace {

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const auto DATETIME_FORMAT = QStringLiteral("yyyy/MM/dd hh:mm:ss:zzz");

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const auto DATETIME_FORMAT = QStringLiteral("yyyy/MM/dd hh:mm:ss:zzz");

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const auto TOOLTIP_FORMAT = QStringLiteral("key: %1\nvalue: %2");

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const auto TOOLTIP_FORMAT = QStringLiteral("key: %1\nvalue: %2");

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/// Offset used to shift the tooltip of the mouse

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const auto TOOLTIP_OFFSET = QPoint{20, 20};

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/// Tooltip display rectangle (the tooltip is hidden when the mouse leaves this rectangle)

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/// Tooltip display rectangle (the tooltip is hidden when the mouse leaves this rectangle)

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const auto TOOLTIP_RECT = QRect{10, 10, 10, 10};

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const auto TOOLTIP_RECT = QRect{10, 10, 10, 10};

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/// Timeout after which the tooltip is displayed

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/// Timeout after which the tooltip is displayed

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const auto TOOLTIP_TIMEOUT = 500;

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const auto TOOLTIP_TIMEOUT = 500;

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/// Formats a data value according to the axis on which it is present

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/// Formats a data value according to the axis on which it is present

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QString formatValue(double value, const QCPAxis &axis)

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QString formatValue(double value, const QCPAxis &axis)

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{

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{

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// If the axis is a time axis, formats the value as a date

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// If the axis is a time axis, formats the value as a date

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if (auto axisTicker = qSharedPointerDynamicCast<QCPAxisTickerDateTime>(axis.ticker())) {

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if (auto axisTicker = qSharedPointerDynamicCast<QCPAxisTickerDateTime>(axis.ticker())) {

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return DateUtils::dateTime(value, axisTicker->dateTimeSpec()).toString(DATETIME_FORMAT);

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return DateUtils::dateTime(value, axisTicker->dateTimeSpec()).toString(DATETIME_FORMAT);

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}

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}

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else {

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else {

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return QString::number(value);

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return QString::number(value);

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}

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}

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}

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}

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void initPointTracerStyle(QCPItemTracer &tracer) noexcept

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void initPointTracerStyle(QCPItemTracer &tracer) noexcept

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{

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{

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tracer.setInterpolating(false);

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tracer.setInterpolating(false);

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tracer.setStyle(QCPItemTracer::tsCircle);

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tracer.setStyle(QCPItemTracer::tsCircle);

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tracer.setSize(3);

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tracer.setSize(3);

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tracer.setPen(QPen(Qt::black));

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tracer.setPen(QPen(Qt::black));

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tracer.setBrush(Qt::black);

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tracer.setBrush(Qt::black);

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}

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}

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} // namespace

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} // namespace

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struct VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegatePrivate {

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struct VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegatePrivate {

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explicit VisualizationGraphRenderingDelegatePrivate(QCustomPlot &plot)

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explicit VisualizationGraphRenderingDelegatePrivate(QCustomPlot &plot)

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: m_Plot{plot}, m_PointTracer{new QCPItemTracer{&plot}}, m_TracerTimer{}

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: m_Plot{plot}, m_PointTracer{new QCPItemTracer{&plot}}, m_TracerTimer{}

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{

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{

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initPointTracerStyle(*m_PointTracer);

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initPointTracerStyle(*m_PointTracer);

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m_TracerTimer.setInterval(TOOLTIP_TIMEOUT);

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m_TracerTimer.setInterval(TOOLTIP_TIMEOUT);

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m_TracerTimer.setSingleShot(true);

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m_TracerTimer.setSingleShot(true);

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}

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}

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QCustomPlot &m_Plot;

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QCustomPlot &m_Plot;

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QCPItemTracer *m_PointTracer;

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QCPItemTracer *m_PointTracer;

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QTimer m_TracerTimer;

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QTimer m_TracerTimer;

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};

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};

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VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegate(QCustomPlot &plot)

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VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegate(QCustomPlot &plot)

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

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

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{

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{

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}

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}

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void VisualizationGraphRenderingDelegate::onMouseMove(QMouseEvent *event) noexcept

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void VisualizationGraphRenderingDelegate::onMouseMove(QMouseEvent *event) noexcept

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{

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{

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// Cancels pending refresh

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// Cancels pending refresh

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impl->m_TracerTimer.disconnect();

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impl->m_TracerTimer.disconnect();

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// Reinits tracers

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// Reinits tracers

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impl->m_PointTracer->setGraph(nullptr);

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impl->m_PointTracer->setGraph(nullptr);

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impl->m_PointTracer->setVisible(false);

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impl->m_PointTracer->setVisible(false);

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impl->m_Plot.replot();

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impl->m_Plot.replot();

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// Gets the graph under the mouse position

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// Gets the graph under the mouse position

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auto eventPos = event->pos();

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auto eventPos = event->pos();

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if (auto graph = qobject_cast<QCPGraph *>(impl->m_Plot.plottableAt(eventPos))) {

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if (auto graph = qobject_cast<QCPGraph *>(impl->m_Plot.plottableAt(eventPos))) {

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auto mouseKey = graph->keyAxis()->pixelToCoord(eventPos.x());

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auto mouseKey = graph->keyAxis()->pixelToCoord(eventPos.x());

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auto graphData = graph->data();

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auto graphData = graph->data();

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// Gets the closest data point to the mouse

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// Gets the closest data point to the mouse

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auto graphDataIt = graphData->findBegin(mouseKey);

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auto graphDataIt = graphData->findBegin(mouseKey);

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if (graphDataIt != graphData->constEnd()) {

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if (graphDataIt != graphData->constEnd()) {

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auto key = formatValue(graphDataIt->key, *graph->keyAxis());

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auto key = formatValue(graphDataIt->key, *graph->keyAxis());

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auto value = formatValue(graphDataIt->value, *graph->valueAxis());

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auto value = formatValue(graphDataIt->value, *graph->valueAxis());

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// Displays point tracer

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// Displays point tracer

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impl->m_PointTracer->setGraph(graph);

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impl->m_PointTracer->setGraph(graph);

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impl->m_PointTracer->setGraphKey(graphDataIt->key);

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impl->m_PointTracer->setGraphKey(graphDataIt->key);

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impl->m_PointTracer->setLayer(

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impl->m_PointTracer->setLayer(

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impl->m_Plot.layer("main")); // Tracer is set on top of the plot's main layer

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impl->m_Plot.layer("main")); // Tracer is set on top of the plot's main layer

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impl->m_PointTracer->setVisible(true);

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impl->m_PointTracer->setVisible(true);

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impl->m_Plot.replot();

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impl->m_Plot.replot();

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// Starts timer to show tooltip after timeout

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// Starts timer to show tooltip after timeout

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auto showTooltip = [ tooltip = TOOLTIP_FORMAT.arg(key, value), eventPos, this ]()

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auto showTooltip = [ tooltip = TOOLTIP_FORMAT.arg(key, value), eventPos, this ]()

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{

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{

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QToolTip::showText(impl->m_Plot.mapToGlobal(eventPos), tooltip, &~~impl~~->~~m_Plot~~,

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QToolTip::showText(impl->m_Plot.mapToGlobal(eventPos) + TOOLTIP_OFFSET, tooltip,

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TOOLTIP_RECT);

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&impl->m_Plot, TOOLTIP_RECT);

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};

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};

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QObject::connect(&impl->m_TracerTimer, &QTimer::timeout, showTooltip);

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QObject::connect(&impl->m_TracerTimer, &QTimer::timeout, showTooltip);

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impl->m_TracerTimer.start();

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impl->m_TracerTimer.start();

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}

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}

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}

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}

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}

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}

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             #include "Visualization/VisualizationGraphRenderingDelegate.h"
             #include "Visualization/qcustomplot.h"
             #include <Common/DateUtils.h>
             namespace {
             const auto DATETIME_FORMAT = QStringLiteral("yyyy/MM/dd hh:mm:ss:zzz");
             const auto TOOLTIP_FORMAT = QStringLiteral("key: %1\nvalue: %2");
+            /// Offset used to shift the tooltip of the mouse
+            const auto TOOLTIP_OFFSET = QPoint{20, 20};
             /// Tooltip display rectangle (the tooltip is hidden when the mouse leaves this rectangle)
             const auto TOOLTIP_RECT = QRect{10, 10, 10, 10};
             /// Timeout after which the tooltip is displayed
             const auto TOOLTIP_TIMEOUT = 500;
             /// Formats a data value according to the axis on which it is present
             QString formatValue(double value, const QCPAxis &axis)
             {
                 // If the axis is a time axis, formats the value as a date
                 if (auto axisTicker = qSharedPointerDynamicCast<QCPAxisTickerDateTime>(axis.ticker())) {
                     return DateUtils::dateTime(value, axisTicker->dateTimeSpec()).toString(DATETIME_FORMAT);
                 }
                 else {
                     return QString::number(value);
                 }
             }
             void initPointTracerStyle(QCPItemTracer &tracer) noexcept
             {
                 tracer.setInterpolating(false);
                 tracer.setStyle(QCPItemTracer::tsCircle);
                 tracer.setSize(3);
                 tracer.setPen(QPen(Qt::black));
                 tracer.setBrush(Qt::black);
             }
             } // namespace
             struct VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegatePrivate {
                 explicit VisualizationGraphRenderingDelegatePrivate(QCustomPlot &plot)
                         : m_Plot{plot}, m_PointTracer{new QCPItemTracer{&plot}}, m_TracerTimer{}
                 {
                     initPointTracerStyle(*m_PointTracer);
                     m_TracerTimer.setInterval(TOOLTIP_TIMEOUT);
                     m_TracerTimer.setSingleShot(true);
                 }
                 QCustomPlot &m_Plot;
                 QCPItemTracer *m_PointTracer;
                 QTimer m_TracerTimer;
             };
             VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegate(QCustomPlot &plot)
                     : impl{spimpl::make_unique_impl<VisualizationGraphRenderingDelegatePrivate>(plot)}
             {
             }
             void VisualizationGraphRenderingDelegate::onMouseMove(QMouseEvent *event) noexcept
             {
                 // Cancels pending refresh
                 impl->m_TracerTimer.disconnect();
                 // Reinits tracers
                 impl->m_PointTracer->setGraph(nullptr);
                 impl->m_PointTracer->setVisible(false);
                 impl->m_Plot.replot();
                 // Gets the graph under the mouse position
                 auto eventPos = event->pos();
                 if (auto graph = qobject_cast<QCPGraph *>(impl->m_Plot.plottableAt(eventPos))) {
                     auto mouseKey = graph->keyAxis()->pixelToCoord(eventPos.x());
                     auto graphData = graph->data();
                     // Gets the closest data point to the mouse
                     auto graphDataIt = graphData->findBegin(mouseKey);
                     if (graphDataIt != graphData->constEnd()) {
                         auto key = formatValue(graphDataIt->key, *graph->keyAxis());
                         auto value = formatValue(graphDataIt->value, *graph->valueAxis());
                         // Displays point tracer
                         impl->m_PointTracer->setGraph(graph);
                         impl->m_PointTracer->setGraphKey(graphDataIt->key);
                         impl->m_PointTracer->setLayer(
                             impl->m_Plot.layer("main")); // Tracer is set on top of the plot's main layer
                         impl->m_PointTracer->setVisible(true);
                         impl->m_Plot.replot();
                         // Starts timer to show tooltip after timeout
                         auto showTooltip = [ tooltip = TOOLTIP_FORMAT.arg(key, value), eventPos, this ]()
                         {
-                            QToolTip::showText(impl->m_Plot.mapToGlobal(eventPos), tooltip, &impl->m_Plot,
+                            QToolTip::showText(impl->m_Plot.mapToGlobal(eventPos) + TOOLTIP_OFFSET, tooltip,
-                                               TOOLTIP_RECT);
+                                               &impl->m_Plot, TOOLTIP_RECT);
                         };
                         QObject::connect(&impl->m_TracerTimer, &QTimer::timeout, showTooltip);
                         impl->m_TracerTimer.start();
                     }
                 }
             }