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1 | 1 | #include "Visualization/VisualizationGraphRenderingDelegate.h" |
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2 | 2 | #include "Visualization/qcustomplot.h" |
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3 | 3 | |
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4 | namespace { | |
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5 | ||
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6 | /// Timeout after which a tracer is displayed | |
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7 | const auto TRACER_TIMEOUT = 500; | |
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8 | ||
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9 | } // namespace | |
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10 | ||
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4 | 11 | struct VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegatePrivate { |
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5 |
explicit VisualizationGraphRenderingDelegatePrivate(QCustomPlot &plot) |
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12 | explicit VisualizationGraphRenderingDelegatePrivate(QCustomPlot &plot) | |
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13 | : m_Plot{plot}, | |
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14 | m_PointTracer{new QCPItemTracer{&plot}}, | |
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15 | m_TextTracer{new QCPItemText{&plot}}, | |
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16 | m_TracerTimer{} | |
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17 | { | |
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18 | ||
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19 | m_TracerTimer.setInterval(TRACER_TIMEOUT); | |
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20 | m_TracerTimer.setSingleShot(true); | |
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21 | } | |
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6 | 22 | |
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7 | 23 | QCustomPlot &m_Plot; |
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24 | QCPItemTracer *m_PointTracer; | |
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25 | QCPItemText *m_TextTracer; | |
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26 | QTimer m_TracerTimer; | |
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8 | 27 | }; |
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9 | 28 | |
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10 | 29 | VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegate(QCustomPlot &plot) |
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11 | 30 | : impl{spimpl::make_unique_impl<VisualizationGraphRenderingDelegatePrivate>(plot)} |
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12 | 31 | { |
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13 | 32 | } |
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14 | 33 | |
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15 | 34 | void VisualizationGraphRenderingDelegate::onMouseMove(QMouseEvent *event) noexcept |
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16 | 35 | { |
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36 | // Cancels pending refresh | |
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37 | impl->m_TracerTimer.disconnect(); | |
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38 | ||
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39 | auto showTracers = [ eventPos = event->pos(), this ]() | |
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40 | { | |
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41 | }; | |
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42 | ||
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43 | // Starts the timer to display tracers at timeout | |
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44 | QObject::connect(&impl->m_TracerTimer, &QTimer::timeout, showTracers); | |
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45 | impl->m_TracerTimer.start(); | |
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17 | 46 | } |
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