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1 | 1 | #include "Visualization/VisualizationGraphWidget.h" |
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2 | 2 | #include "ui_VisualizationGraphWidget.h" |
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3 | 3 | |
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4 | 4 | #include <Variable/Variable.h> |
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5 | 5 | |
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6 | 6 | #include <unordered_map> |
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7 | 7 | |
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8 | 8 | namespace { |
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9 | 9 | |
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10 | 10 | /// Key pressed to enable zoom on horizontal axis |
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11 | 11 | const auto HORIZONTAL_ZOOM_MODIFIER = Qt::NoModifier; |
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12 | 12 | |
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13 | 13 | /// Key pressed to enable zoom on vertical axis |
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14 | 14 | const auto VERTICAL_ZOOM_MODIFIER = Qt::ControlModifier; |
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15 | 15 | |
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16 | 16 | } // namespace |
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17 | 17 | |
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18 | 18 | struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate { |
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19 | 19 | |
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20 | 20 | // 1 variable -> n qcpplot |
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21 | 21 | std::unordered_map<std::shared_ptr<Variable>, std::unique_ptr<QCPAbstractPlottable> > |
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22 | 22 | m_VariableToPlotMap; |
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23 | 23 | }; |
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24 | 24 | |
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25 | 25 | VisualizationGraphWidget::VisualizationGraphWidget(QWidget *parent) |
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26 | 26 | : QWidget{parent}, |
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27 | 27 | ui{new Ui::VisualizationGraphWidget}, |
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28 | 28 | impl{spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>()} |
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29 | 29 | { |
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30 | 30 | ui->setupUi(this); |
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31 | 31 | |
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32 | 32 | // Set qcpplot properties : |
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33 | // - Drag and zoom are enabled | |
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33 | // - Drag (on x-axis) and zoom are enabled | |
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34 | 34 | // - Mouse wheel on qcpplot is intercepted to determine the zoom orientation |
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35 | 35 | ui->widget->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom); |
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36 | ui->widget->axisRect()->setRangeDrag(Qt::Horizontal); | |
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36 | 37 | connect(ui->widget, &QCustomPlot::mouseWheel, this, &VisualizationGraphWidget::onMouseWheel); |
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37 | 38 | } |
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38 | 39 | |
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39 | 40 | VisualizationGraphWidget::~VisualizationGraphWidget() |
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40 | 41 | { |
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41 | 42 | delete ui; |
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42 | 43 | } |
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43 | 44 | |
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44 | 45 | void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable) |
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45 | 46 | { |
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46 | 47 | // todo: first check is variable contains data then check how many plot have to be created |
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47 | 48 | } |
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48 | 49 | |
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49 | 50 | void VisualizationGraphWidget::accept(IVisualizationWidget *visitor) |
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50 | 51 | { |
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51 | 52 | // TODO: manage the visitor |
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52 | 53 | } |
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53 | 54 | |
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54 | 55 | void VisualizationGraphWidget::close() |
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55 | 56 | { |
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56 | 57 | // The main view cannot be directly closed. |
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57 | 58 | return; |
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58 | 59 | } |
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59 | 60 | |
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60 | 61 | QString VisualizationGraphWidget::name() const |
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61 | 62 | { |
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62 | 63 | return QStringLiteral("MainView"); |
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63 | 64 | } |
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64 | 65 | |
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65 | 66 | void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept |
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66 | 67 | { |
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67 | 68 | auto zoomOrientations = QFlags<Qt::Orientation>{}; |
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68 | 69 | |
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69 | 70 | // Lambda that enables a zoom orientation if the key modifier related to this orientation has |
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70 | 71 | // been pressed |
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71 | 72 | auto enableOrientation |
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72 | 73 | = [&zoomOrientations, event](const auto &orientation, const auto &modifier) { |
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73 | 74 | auto orientationEnabled = event->modifiers().testFlag(modifier); |
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74 | 75 | zoomOrientations.setFlag(orientation, orientationEnabled); |
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75 | 76 | }; |
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76 | 77 | enableOrientation(Qt::Vertical, VERTICAL_ZOOM_MODIFIER); |
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77 | 78 | enableOrientation(Qt::Horizontal, HORIZONTAL_ZOOM_MODIFIER); |
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78 | 79 | |
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79 | 80 | ui->widget->axisRect()->setRangeZoom(zoomOrientations); |
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80 | 81 | } |
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