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| 1 | #include "Visualization/VisualizationGraphRenderingDelegate.h" |
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1 | #include "Visualization/VisualizationGraphRenderingDelegate.h" | |
| 2 | #include "Visualization/qcustomplot.h" |
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2 | #include "Visualization/qcustomplot.h" | |
| 3 |
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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 | ||||
| 4 | struct VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegatePrivate { |
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11 | struct VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegatePrivate { | |
| 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 | } | |||
| 6 |
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22 | |||
| 7 | QCustomPlot &m_Plot; |
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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; | |||
| 8 | }; |
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27 | }; | |
| 9 |
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28 | |||
| 10 | VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegate(QCustomPlot &plot) |
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29 | VisualizationGraphRenderingDelegate::VisualizationGraphRenderingDelegate(QCustomPlot &plot) | |
| 11 | : impl{spimpl::make_unique_impl<VisualizationGraphRenderingDelegatePrivate>(plot)} |
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30 | : impl{spimpl::make_unique_impl<VisualizationGraphRenderingDelegatePrivate>(plot)} | |
| 12 | { |
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31 | { | |
| 13 | } |
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32 | } | |
| 14 |
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33 | |||
| 15 | void VisualizationGraphRenderingDelegate::onMouseMove(QMouseEvent *event) noexcept |
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34 | void VisualizationGraphRenderingDelegate::onMouseMove(QMouseEvent *event) noexcept | |
| 16 | { |
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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(); | |||
| 17 | } |
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46 | } | |
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