| @@ -34,6 +34,9 const auto PAN_SPEED = 5; | |||
|
|
34 | 34 | /// Key pressed to enable a calibration pan |
|
|
35 | 35 | const auto VERTICAL_PAN_MODIFIER = Qt::AltModifier; |
|
|
36 | 36 | |
|
|
37 | /// Minimum size for the zoom box, in percentage of the axis range | |
|
|
38 | const auto ZOOM_BOX_MIN_SIZE = 0.8; | |
|
|
39 | ||
|
|
37 | 40 | } // namespace |
|
|
38 | 41 | |
|
|
39 | 42 | struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate { |
| @@ -53,6 +56,46 struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate { | |||
|
|
53 | 56 | bool m_IsCalibration; |
|
|
54 | 57 | /// Delegate used to attach rendering features to the plot |
|
|
55 | 58 | std::unique_ptr<VisualizationGraphRenderingDelegate> m_RenderingDelegate; |
|
|
59 | ||
|
|
60 | QCPItemRect *m_DrawingRect = nullptr; | |
|
|
61 | ||
|
|
62 | void configureDrawingRect() | |
|
|
63 | { | |
|
|
64 | if (m_DrawingRect) { | |
|
|
65 | QPen p; | |
|
|
66 | p.setWidth(2); | |
|
|
67 | m_DrawingRect->setPen(p); | |
|
|
68 | } | |
|
|
69 | } | |
|
|
70 | ||
|
|
71 | void startDrawingRect(const QPoint &pos, QCustomPlot &plot) | |
|
|
72 | { | |
|
|
73 | removeDrawingRect(plot); | |
|
|
74 | ||
|
|
75 | auto axisPos = posToAxisPos(pos, plot); | |
|
|
76 | ||
|
|
77 | m_DrawingRect = new QCPItemRect{&plot}; | |
|
|
78 | configureDrawingRect(); | |
|
|
79 | ||
|
|
80 | m_DrawingRect->topLeft->setCoords(axisPos); | |
|
|
81 | m_DrawingRect->bottomRight->setCoords(axisPos); | |
|
|
82 | } | |
|
|
83 | ||
|
|
84 | void removeDrawingRect(QCustomPlot &plot) | |
|
|
85 | { | |
|
|
86 | if (m_DrawingRect) { | |
|
|
87 | plot.removeItem(m_DrawingRect); // the item is deleted by QCustomPlot | |
|
|
88 | m_DrawingRect = nullptr; | |
|
|
89 | plot.replot(QCustomPlot::rpQueuedReplot); | |
|
|
90 | } | |
|
|
91 | } | |
|
|
92 | ||
|
|
93 | QPointF posToAxisPos(const QPoint &pos, QCustomPlot &plot) const | |
|
|
94 | { | |
|
|
95 | auto axisX = plot.axisRect()->axis(QCPAxis::atBottom); | |
|
|
96 | auto axisY = plot.axisRect()->axis(QCPAxis::atLeft); | |
|
|
97 | return QPointF{axisX->pixelToCoord(pos.x()), axisY->pixelToCoord(pos.y())}; | |
|
|
98 | } | |
|
|
56 | 99 | }; |
|
|
57 | 100 | |
|
|
58 | 101 | VisualizationGraphWidget::VisualizationGraphWidget(const QString &name, QWidget *parent) |
| @@ -344,6 +387,11 void VisualizationGraphWidget::onMouseMove(QMouseEvent *event) noexcept | |||
|
|
344 | 387 | // Handles plot rendering when mouse is moving |
|
|
345 | 388 | impl->m_RenderingDelegate->onMouseMove(event); |
|
|
346 | 389 | |
|
|
390 | if (impl->m_DrawingRect) { | |
|
|
391 | auto axisPos = impl->posToAxisPos(event->pos(), plot()); | |
|
|
392 | impl->m_DrawingRect->bottomRight->setCoords(axisPos); | |
|
|
393 | } | |
|
|
394 | ||
|
|
347 | 395 | VisualizationDragWidget::mouseMoveEvent(event); |
|
|
348 | 396 | } |
|
|
349 | 397 | |
| @@ -380,11 +428,37 void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept | |||
|
|
380 | 428 | |
|
|
381 | 429 | void VisualizationGraphWidget::onMousePress(QMouseEvent *event) noexcept |
|
|
382 | 430 | { |
|
|
431 | if (sqpApp->plotsInteractionMode() == SqpApplication::PlotsInteractionMode::ZoomBox) { | |
|
|
432 | impl->startDrawingRect(event->pos(), plot()); | |
|
|
433 | } | |
|
|
434 | ||
|
|
383 | 435 | VisualizationDragWidget::mousePressEvent(event); |
|
|
384 | 436 | } |
|
|
385 | 437 | |
|
|
386 | 438 | void VisualizationGraphWidget::onMouseRelease(QMouseEvent *event) noexcept |
|
|
387 | 439 | { |
|
|
440 | if (impl->m_DrawingRect) { | |
|
|
441 | ||
|
|
442 | auto axisX = plot().axisRect()->axis(QCPAxis::atBottom); | |
|
|
443 | auto axisY = plot().axisRect()->axis(QCPAxis::atLeft); | |
|
|
444 | ||
|
|
445 | auto newAxisXRange = QCPRange{impl->m_DrawingRect->topLeft->coords().x(), | |
|
|
446 | impl->m_DrawingRect->bottomRight->coords().x()}; | |
|
|
447 | ||
|
|
448 | auto newAxisYRange = QCPRange{impl->m_DrawingRect->topLeft->coords().y(), | |
|
|
449 | impl->m_DrawingRect->bottomRight->coords().y()}; | |
|
|
450 | ||
|
|
451 | impl->removeDrawingRect(plot()); | |
|
|
452 | ||
|
|
453 | if (newAxisXRange.size() > axisX->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0) | |
|
|
454 | && newAxisYRange.size() > axisY->range().size() * (ZOOM_BOX_MIN_SIZE / 100.0)) { | |
|
|
455 | axisX->setRange(newAxisXRange); | |
|
|
456 | axisY->setRange(newAxisYRange); | |
|
|
457 | ||
|
|
458 | plot().replot(QCustomPlot::rpQueuedReplot); | |
|
|
459 | } | |
|
|
460 | } | |
|
|
461 | ||
|
|
388 | 462 | impl->m_IsCalibration = false; |
|
|
389 | 463 | } |
|
|
390 | 464 | |
General Comments 0
You need to be logged in to leave comments.
Login now