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@ -1,5 +1,6 @@ |
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#include "tools/cabana/chartswidget.h" |
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#include <QActionGroup> |
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#include <QApplication> |
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#include <QCompleter> |
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#include <QDialogButtonBox> |
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@ -24,11 +25,12 @@ ChartsWidget::ChartsWidget(QWidget *parent) : QFrame(parent) { |
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// toolbar
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QToolBar *toolbar = new QToolBar(tr("Charts"), this); |
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toolbar->setIconSize({16, 16}); |
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int icon_size = style()->pixelMetric(QStyle::PM_SmallIconSize); |
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toolbar->setIconSize({icon_size, icon_size}); |
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QAction *new_plot_btn = toolbar->addAction(utils::icon("file-plus"), tr("New Plot")); |
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toolbar->addWidget(title_label = new QLabel()); |
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title_label->setContentsMargins(0, 0, 12, 0); |
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title_label->setContentsMargins(0, 0, style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing), 0); |
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QMenu *menu = new QMenu(this); |
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for (int i = 0; i < MAX_COLUMN_COUNT; ++i) { |
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@ -76,8 +78,8 @@ ChartsWidget::ChartsWidget(QWidget *parent) : QFrame(parent) { |
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main_layout->addWidget(charts_scroll); |
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// init settings
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use_dark_theme = QApplication::style()->standardPalette().color(QPalette::WindowText).value() > |
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QApplication::style()->standardPalette().color(QPalette::Background).value(); |
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use_dark_theme = QApplication::palette().color(QPalette::WindowText).value() > |
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QApplication::palette().color(QPalette::Background).value(); |
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column_count = std::clamp(settings.chart_column_count, 1, MAX_COLUMN_COUNT); |
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max_chart_range = std::clamp(settings.chart_range, 1, settings.max_cached_minutes * 60); |
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display_range = {0, max_chart_range}; |
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@ -183,7 +185,7 @@ void ChartsWidget::settingChanged() { |
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range_slider->setRange(1, settings.max_cached_minutes * 60); |
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for (auto c : charts) { |
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c->setFixedHeight(settings.chart_height); |
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c->setSeriesType(settings.chart_series_type == 0 ? QAbstractSeries::SeriesTypeLine : QAbstractSeries::SeriesTypeScatter); |
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c->setSeriesType((SeriesType)settings.chart_series_type); |
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} |
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} |
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@ -309,7 +311,7 @@ bool ChartsWidget::eventFilter(QObject *obj, QEvent *event) { |
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// ChartView
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ChartView::ChartView(QWidget *parent) : QChartView(nullptr, parent) { |
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series_type = settings.chart_series_type == 0 ? QAbstractSeries::SeriesTypeLine : QAbstractSeries::SeriesTypeScatter; |
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series_type = (SeriesType)settings.chart_series_type; |
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QChart *chart = new QChart(); |
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chart->setBackgroundVisible(false); |
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axis_x = new QValueAxis(this); |
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@ -321,44 +323,58 @@ ChartView::ChartView(QWidget *parent) : QChartView(nullptr, parent) { |
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chart->setMargins({0, 0, 0, 0}); |
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background = new QGraphicsRectItem(chart); |
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background->setBrush(Qt::white); |
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background->setBrush(QApplication::palette().color(QPalette::Base)); |
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background->setPen(Qt::NoPen); |
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background->setZValue(chart->zValue() - 1); |
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move_icon = new QGraphicsPixmapItem(utils::icon("grip-horizontal"), chart); |
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setChart(chart); |
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createToolButtons(); |
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setRenderHint(QPainter::Antialiasing); |
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// TODO: enable zoomIn/seekTo in live streaming mode.
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setRubberBand(can->liveStreaming() ? QChartView::NoRubberBand : QChartView::HorizontalRubberBand); |
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QObject::connect(dbc(), &DBCManager::signalRemoved, this, &ChartView::signalRemoved); |
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QObject::connect(dbc(), &DBCManager::signalUpdated, this, &ChartView::signalUpdated); |
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QObject::connect(dbc(), &DBCManager::msgRemoved, this, &ChartView::msgRemoved); |
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QObject::connect(dbc(), &DBCManager::msgUpdated, this, &ChartView::msgUpdated); |
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} |
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void ChartView::createToolButtons() { |
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move_icon = new QGraphicsPixmapItem(utils::icon("grip-horizontal"), chart()); |
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move_icon->setToolTip(tr("Drag and drop to combine charts")); |
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QToolButton *remove_btn = toolButton("x", tr("Remove Chart")); |
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close_btn_proxy = new QGraphicsProxyWidget(chart); |
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close_btn_proxy = new QGraphicsProxyWidget(chart()); |
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close_btn_proxy->setWidget(remove_btn); |
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close_btn_proxy->setZValue(chart->zValue() + 11); |
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close_btn_proxy->setZValue(chart()->zValue() + 11); |
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QToolButton *manage_btn = toolButton("list", ""); |
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// series types
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QMenu *menu = new QMenu(this); |
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line_series_action = menu->addAction(tr("Line"), [this]() { setSeriesType(QAbstractSeries::SeriesTypeLine); }); |
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line_series_action->setCheckable(true); |
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line_series_action->setChecked(series_type == QAbstractSeries::SeriesTypeLine); |
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scatter_series_action = menu->addAction(tr("Scatter"), [this]() { setSeriesType(QAbstractSeries::SeriesTypeScatter); }); |
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scatter_series_action->setCheckable(true); |
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scatter_series_action->setChecked(series_type == QAbstractSeries::SeriesTypeScatter); |
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auto change_series_group = new QActionGroup(menu); |
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change_series_group->setExclusive(true); |
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QStringList types{tr("line"), tr("Step Line"), tr("Scatter")}; |
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for (int i = 0; i < types.size(); ++i) { |
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QAction *act = new QAction(types[i], change_series_group); |
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act->setData(i); |
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act->setCheckable(true); |
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act->setChecked(i == (int)series_type); |
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menu->addAction(act); |
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} |
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menu->addSeparator(); |
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menu->addAction(tr("Manage series"), this, &ChartView::manageSeries); |
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QToolButton *manage_btn = toolButton("list", ""); |
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manage_btn->setMenu(menu); |
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manage_btn->setPopupMode(QToolButton::InstantPopup); |
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manage_btn_proxy = new QGraphicsProxyWidget(chart); |
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manage_btn_proxy = new QGraphicsProxyWidget(chart()); |
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manage_btn_proxy->setWidget(manage_btn); |
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manage_btn_proxy->setZValue(chart->zValue() + 11); |
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setChart(chart); |
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setRenderHint(QPainter::Antialiasing); |
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// TODO: enable zoomIn/seekTo in live streaming mode.
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setRubberBand(can->liveStreaming() ? QChartView::NoRubberBand : QChartView::HorizontalRubberBand); |
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manage_btn_proxy->setZValue(chart()->zValue() + 11); |
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QObject::connect(dbc(), &DBCManager::signalRemoved, this, &ChartView::signalRemoved); |
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QObject::connect(dbc(), &DBCManager::signalUpdated, this, &ChartView::signalUpdated); |
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QObject::connect(dbc(), &DBCManager::msgRemoved, this, &ChartView::msgRemoved); |
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QObject::connect(dbc(), &DBCManager::msgUpdated, this, &ChartView::msgUpdated); |
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QObject::connect(remove_btn, &QToolButton::clicked, this, &ChartView::remove); |
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QObject::connect(change_series_group, &QActionGroup::triggered, [this](QAction *action) { |
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setSeriesType((SeriesType)action->data().toInt()); |
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}); |
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} |
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void ChartView::addSeries(const MessageId &msg_id, const Signal *sig) { |
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@ -428,10 +444,12 @@ void ChartView::manageSeries() { |
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void ChartView::resizeEvent(QResizeEvent *event) { |
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updatePlotArea(align_to); |
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int x = event->size().width() - close_btn_proxy->size().width() - 11; |
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close_btn_proxy->setPos(x, 8); |
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manage_btn_proxy->setPos(x - manage_btn_proxy->size().width() - 5, 8); |
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move_icon->setPos(11, 8); |
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int top_margin = style()->pixelMetric(QStyle::PM_LayoutTopMargin); |
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int spacing = style()->pixelMetric(QStyle::PM_LayoutHorizontalSpacing); |
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int x = event->size().width() - close_btn_proxy->size().width() - style()->pixelMetric(QStyle::PM_LayoutRightMargin); |
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close_btn_proxy->setPos(x, top_margin); |
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manage_btn_proxy->setPos(x - manage_btn_proxy->size().width() - spacing, top_margin); |
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move_icon->setPos(style()->pixelMetric(QStyle::PM_LayoutLeftMargin), top_margin); |
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QChartView::resizeEvent(event); |
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} |
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@ -476,7 +494,7 @@ void ChartView::updateSeriesPoints() { |
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int num_points = std::max<int>(end - begin, 1); |
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int pixels_per_point = width() / num_points; |
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if (series_type == QAbstractSeries::SeriesTypeScatter) { |
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if (series_type == SeriesType::Scatter) { |
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((QScatterSeries *)s.series)->setMarkerSize(std::clamp(pixels_per_point / 3, 2, 8)); |
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} else { |
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s.series->setPointsVisible(pixels_per_point > 20); |
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@ -490,7 +508,9 @@ void ChartView::updateSeries(const Signal *sig, const std::vector<Event *> *even |
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if (!sig || s.sig == sig) { |
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if (clear) { |
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s.vals.clear(); |
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s.step_vals.clear(); |
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s.vals.reserve(settings.max_cached_minutes * 60 * 100); // [n]seconds * 100hz
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s.step_vals.reserve(settings.max_cached_minutes * 60 * 100 * 2); |
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s.last_value_mono_time = 0; |
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} |
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s.series->setColor(getColor(s.sig)); |
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@ -498,6 +518,7 @@ void ChartView::updateSeries(const Signal *sig, const std::vector<Event *> *even |
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struct Chunk { |
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std::vector<Event *>::const_iterator first, second; |
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QVector<QPointF> vals; |
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QVector<QPointF> step_vals; |
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}; |
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// split into one minitue chunks
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QVector<Chunk> chunks; |
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@ -510,6 +531,7 @@ void ChartView::updateSeries(const Signal *sig, const std::vector<Event *> *even |
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QtConcurrent::blockingMap(chunks, [&](Chunk &chunk) { |
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chunk.vals.reserve(60 * 100); // 100 hz
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chunk.step_vals.reserve(60 * 100 * 2); // 100 hz
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double route_start_time = can->routeStartTime(); |
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for (auto it = chunk.first; it != chunk.second; ++it) { |
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if ((*it)->which == cereal::Event::Which::CAN) { |
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@ -519,6 +541,10 @@ void ChartView::updateSeries(const Signal *sig, const std::vector<Event *> *even |
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double value = get_raw_value((uint8_t *)dat.begin(), dat.size(), *s.sig); |
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double ts = ((*it)->mono_time / (double)1e9) - route_start_time; // seconds
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chunk.vals.push_back({ts, value}); |
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if (!chunk.step_vals.empty()) { |
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chunk.step_vals.push_back({ts, chunk.step_vals.back().y()}); |
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} |
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chunk.step_vals.push_back({ts,value}); |
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} |
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} |
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} |
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@ -526,11 +552,20 @@ void ChartView::updateSeries(const Signal *sig, const std::vector<Event *> *even |
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}); |
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for (auto &c : chunks) { |
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s.vals.append(c.vals); |
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if (!c.step_vals.empty()) { |
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if (!s.step_vals.empty()) { |
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s.step_vals.append({c.step_vals.first().x(), s.step_vals.back().y()}); |
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} |
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s.step_vals.append(c.step_vals); |
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} |
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} |
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if (events->size()) { |
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s.last_value_mono_time = events->back()->mono_time; |
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} |
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s.series->replace(s.vals); |
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if (!can->liveStreaming()) { |
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s.segment_tree.build(s.vals); |
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} |
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s.series->replace(series_type == SeriesType::StepLine ? s.step_vals : s.vals); |
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} |
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} |
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updateAxisY(); |
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@ -542,19 +577,37 @@ void ChartView::updateAxisY() { |
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double min = std::numeric_limits<double>::max(); |
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double max = std::numeric_limits<double>::lowest(); |
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QString unit = sigs[0].sig->unit; |
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for (auto &s : sigs) { |
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if (!s.series->isVisible()) continue; |
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// Only show unit when all signals have the same unit
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if (unit != s.sig->unit) { |
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unit.clear(); |
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} |
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auto first = std::lower_bound(s.vals.begin(), s.vals.end(), axis_x->min(), [](auto &p, double x) { return p.x() < x; }); |
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auto last = std::lower_bound(first, s.vals.end(), axis_x->max(), [](auto &p, double x) { return p.x() < x; }); |
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for (auto it = first; it != last; ++it) { |
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if (it->y() < min) min = it->y(); |
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if (it->y() > max) max = it->y(); |
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if (can->liveStreaming()) { |
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for (auto it = first; it != last; ++it) { |
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if (it->y() < min) min = it->y(); |
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if (it->y() > max) max = it->y(); |
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} |
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} else { |
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auto [min_y, max_y] = s.segment_tree.minmax(std::distance(s.vals.begin(), first), std::distance(s.vals.begin(), last)); |
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min = std::min(min, min_y); |
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max = std::max(max, max_y); |
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} |
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} |
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if (min == std::numeric_limits<double>::max()) min = 0; |
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if (max == std::numeric_limits<double>::lowest()) max = 0; |
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if (axis_y->titleText() != unit) { |
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axis_y->setTitleText(unit); |
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y_label_width = 0;// recalc width
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} |
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double delta = std::abs(max - min) < 1e-3 ? 1 : (max - min) * 0.05; |
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auto [min_y, max_y, tick_count] = getNiceAxisNumbers(min - delta, max + delta, axis_y->tickCount()); |
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if (min_y != axis_y->min() || max_y != axis_y->max() || y_label_width == 0) { |
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@ -563,7 +616,8 @@ void ChartView::updateAxisY() { |
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QFontMetrics fm(axis_y->labelsFont()); |
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int n = qMax(int(-qFloor(std::log10((max_y - min_y) / (tick_count - 1)))), 0) + 1; |
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y_label_width = qMax(fm.width(QString::number(min_y, 'f', n)), fm.width(QString::number(max_y, 'f', n))) + 15; // left margin 15
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int title_spacing = axis_y->titleText().isEmpty() ? 0 : 20; |
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y_label_width = title_spacing + qMax(fm.width(QString::number(min_y, 'f', n)), fm.width(QString::number(max_y, 'f', n))) + 15; // left margin 15
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axis_y->setLabelFormat(QString("%.%1f").arg(n)); |
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emit axisYLabelWidthChanged(y_label_width); |
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} |
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@ -597,7 +651,7 @@ qreal ChartView::niceNumber(qreal x, bool ceiling) { |
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} |
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void ChartView::leaveEvent(QEvent *event) { |
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track_pts.clear(); |
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clearTrackPoints(); |
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scene()->update(); |
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QChartView::leaveEvent(event); |
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} |
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@ -653,26 +707,33 @@ void ChartView::mouseMoveEvent(QMouseEvent *ev) { |
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auto rubber = findChild<QRubberBand *>(); |
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bool is_zooming = rubber && rubber->isVisible(); |
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const auto plot_area = chart()->plotArea(); |
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track_pts.clear(); |
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clearTrackPoints(); |
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if (!is_zooming && plot_area.contains(ev->pos())) { |
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track_pts.resize(sigs.size()); |
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QStringList text_list; |
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const double sec = chart()->mapToValue(ev->pos()).x(); |
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for (int i = 0; i < sigs.size(); ++i) { |
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QString value = "--"; |
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qreal x = -1; |
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for (auto &s : sigs) { |
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if (!s.series->isVisible()) continue; |
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// use reverse iterator to find last item <= sec.
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auto it = std::lower_bound(sigs[i].vals.rbegin(), sigs[i].vals.rend(), sec, [](auto &p, double x) { return p.x() > x; }); |
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if (it != sigs[i].vals.rend() && it->x() >= axis_x->min()) { |
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value = QString::number(it->y()); |
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track_pts[i] = chart()->mapToPosition(*it); |
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double value = 0; |
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auto it = std::lower_bound(s.vals.rbegin(), s.vals.rend(), sec, [](auto &p, double x) { return p.x() > x; }); |
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if (it != s.vals.rend() && it->x() >= axis_x->min()) { |
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value = it->y(); |
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s.track_pt = chart()->mapToPosition(*it); |
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x = std::max(x, s.track_pt.x()); |
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} |
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text_list.push_back(QString("<span style=\"color:%1;\">■ </span>%2: <b>%3</b>").arg(sigs[i].series->color().name(), sigs[i].sig->name, value)); |
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text_list.push_back(QString("<span style=\"color:%1;\">■ </span>%2: <b>%3</b>") |
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.arg(s.series->color().name(), s.sig->name, |
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s.track_pt.isNull() ? "--" : QString::number(value))); |
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} |
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if (x < 0) { |
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x = ev->pos().x(); |
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} |
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auto max = std::max_element(track_pts.begin(), track_pts.end(), [](auto &a, auto &b) { return a.x() < b.x(); }); |
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auto pt = (max == track_pts.end()) ? ev->pos() : *max; |
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text_list.push_front(QString::number(chart()->mapToValue(pt).x(), 'f', 3)); |
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QPointF tooltip_pt(pt.x() + 12, plot_area.top() - 20); |
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QToolTip::showText(mapToGlobal(tooltip_pt.toPoint()), pt.isNull() ? "" : text_list.join("<br />"), this, plot_area.toRect()); |
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text_list.push_front(QString::number(chart()->mapToValue({x, 0}).x(), 'f', 3)); |
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QPointF tooltip_pt(x + 12, plot_area.top() - 20); |
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QToolTip::showText(mapToGlobal(tooltip_pt.toPoint()), text_list.join("<br />"), this, plot_area.toRect()); |
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scene()->invalidate({}, QGraphicsScene::ForegroundLayer); |
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} else { |
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QToolTip::hideText(); |
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@ -717,6 +778,7 @@ void ChartView::dropEvent(QDropEvent *event) { |
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} |
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void ChartView::drawForeground(QPainter *painter, const QRectF &rect) { |
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// draw time line
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qreal x = chart()->mapToPosition(QPointF{cur_sec, 0}).x(); |
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x = std::clamp(x, chart()->plotArea().left(), chart()->plotArea().right()); |
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qreal y1 = chart()->plotArea().top() - 2; |
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@ -724,18 +786,20 @@ void ChartView::drawForeground(QPainter *painter, const QRectF &rect) { |
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painter->setPen(QPen(chart()->titleBrush().color(), 2)); |
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painter->drawLine(QPointF{x, y1}, QPointF{x, y2}); |
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auto max = std::max_element(track_pts.begin(), track_pts.end(), [](auto &a, auto &b) { return a.x() < b.x(); }); |
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if (max != track_pts.end() && !max->isNull()) { |
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painter->setPen(QPen(Qt::darkGray, 1, Qt::DashLine)); |
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painter->drawLine(QPointF{max->x(), y1}, QPointF{max->x(), y2}); |
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painter->setPen(Qt::NoPen); |
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for (int i = 0; i < track_pts.size(); ++i) { |
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if (!track_pts[i].isNull() && i < sigs.size()) { |
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painter->setBrush(sigs[i].series->color().darker(125)); |
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painter->drawEllipse(track_pts[i], 5.5, 5.5); |
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} |
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// draw track points
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painter->setPen(Qt::NoPen); |
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qreal track_line_x = -1; |
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for (auto &s : sigs) { |
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if (!s.track_pt.isNull() && s.series->isVisible()) { |
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painter->setBrush(s.series->color().darker(125)); |
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painter->drawEllipse(s.track_pt, 5.5, 5.5); |
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track_line_x = std::max(track_line_x, s.track_pt.x()); |
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} |
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} |
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if (track_line_x > 0) { |
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painter->setPen(QPen(Qt::darkGray, 1, Qt::DashLine)); |
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painter->drawLine(QPointF{track_line_x, y1}, QPointF{track_line_x, y2}); |
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} |
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// paint points. OpenGL mode lacks certain features (such as showing points)
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painter->setPen(Qt::NoPen); |
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@ -751,11 +815,14 @@ void ChartView::drawForeground(QPainter *painter, const QRectF &rect) { |
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} |
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} |
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QXYSeries *ChartView::createSeries(QAbstractSeries::SeriesType type, QColor color) { |
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QXYSeries *ChartView::createSeries(SeriesType type, QColor color) { |
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QXYSeries *series = nullptr; |
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if (type == QAbstractSeries::SeriesTypeLine) { |
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if (type == SeriesType::Line) { |
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|
series = new QLineSeries(this); |
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chart()->legend()->setMarkerShape(QLegend::MarkerShapeRectangle); |
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} else if (type == SeriesType::StepLine) { |
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|
series = new QLineSeries(this); |
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|
chart()->legend()->setMarkerShape(QLegend::MarkerShapeFromSeries); |
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} else { |
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series = new QScatterSeries(this); |
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chart()->legend()->setMarkerShape(QLegend::MarkerShapeCircle); |
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@ -776,9 +843,7 @@ QXYSeries *ChartView::createSeries(QAbstractSeries::SeriesType type, QColor colo |
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return series; |
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} |
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void ChartView::setSeriesType(QAbstractSeries::SeriesType type) { |
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line_series_action->setChecked(type == QAbstractSeries::SeriesTypeLine); |
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scatter_series_action->setChecked(type == QAbstractSeries::SeriesTypeScatter); |
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void ChartView::setSeriesType(SeriesType type) { |
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|
if (type != series_type) { |
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|
series_type = type; |
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|
for (auto &s : sigs) { |
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@ -787,7 +852,7 @@ void ChartView::setSeriesType(QAbstractSeries::SeriesType type) { |
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} |
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for (auto &s : sigs) { |
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|
|
auto series = createSeries(series_type, getColor(s.sig)); |
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|
|
series->replace(s.vals); |
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|
series->replace(series_type == SeriesType::StepLine ? s.step_vals : s.vals); |
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|
s.series = series; |
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|
} |
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|
updateSeriesPoints(); |
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AlexandreSato
2 years ago
committed by
GitHub
