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@ -142,24 +142,33 @@ void ChartsWidget::updateTitleBar() { |
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dock_btn->setToolTip(docking ? tr("Undock charts") : tr("Dock charts")); |
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} |
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void ChartsWidget::addChart(const QString &id, const Signal *sig) { |
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void ChartsWidget::showChart(const QString &id, const Signal *sig, bool show) { |
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auto it = std::find_if(charts.begin(), charts.end(), [=](auto c) { return c->id == id && c->signal == sig; }); |
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if (it == charts.end()) { |
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if (it != charts.end()) { |
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if (!show) removeChart((*it)); |
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} else if (show) { |
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auto chart = new ChartWidget(id, sig, this); |
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chart->chart_view->updateSeries(display_range); |
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QObject::connect(chart, &ChartWidget::remove, [=]() { removeChart(chart); });; |
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QObject::connect(chart, &ChartWidget::remove, [=]() { removeChart(chart); }); |
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QObject::connect(chart->chart_view, &ChartView::zoomIn, this, &ChartsWidget::zoomIn); |
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QObject::connect(chart->chart_view, &ChartView::zoomReset, this, &ChartsWidget::zoomReset); |
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charts_layout->insertWidget(0, chart); |
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charts.push_back(chart); |
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emit chartOpened(chart->id, chart->signal); |
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} |
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updateTitleBar(); |
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} |
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bool ChartsWidget::isChartOpened(const QString &id, const Signal *sig) { |
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auto it = std::find_if(charts.begin(), charts.end(), [=](auto c) { return c->id == id && c->signal == sig; }); |
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return it != charts.end(); |
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} |
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void ChartsWidget::removeChart(ChartWidget *chart) { |
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charts.removeOne(chart); |
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chart->deleteLater(); |
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updateTitleBar(); |
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emit chartClosed(chart->id, chart->signal); |
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} |
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void ChartsWidget::removeAll(const Signal *sig) { |
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@ -168,6 +177,7 @@ void ChartsWidget::removeAll(const Signal *sig) { |
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auto c = it.next(); |
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if (sig == nullptr || c->signal == sig) { |
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c->deleteLater(); |
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emit chartClosed(c->id, c->signal); |
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it.remove(); |
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} |
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} |
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@ -184,7 +194,6 @@ void ChartsWidget::signalUpdated(const Signal *sig) { |
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} |
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} |
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bool ChartsWidget::eventFilter(QObject *obj, QEvent *event) { |
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if (obj != this && event->type() == QEvent::Close) { |
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emit dock_btn->clicked(); |
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@ -200,33 +209,31 @@ ChartWidget::ChartWidget(const QString &id, const Signal *sig, QWidget *parent) |
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main_layout->setSpacing(0); |
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main_layout->setContentsMargins(0, 0, 0, 0); |
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QWidget *header = new QWidget(this); |
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header->setStyleSheet("background-color:white"); |
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header = new QWidget(this); |
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QGridLayout *header_layout = new QGridLayout(header); |
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header_layout->setContentsMargins(11, 11, 11, 0); |
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msg_name_label = new QLabel(this); |
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msg_name_label->setTextFormat(Qt::RichText); |
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header_layout->addWidget(msg_name_label, 0, 0, Qt::AlignLeft); |
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sig_name_label = new QLabel(this); |
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sig_name_label->setStyleSheet("font-weight:bold"); |
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header_layout->addWidget(sig_name_label, 0, 1, Qt::AlignCenter); //, 0, Qt::AlignCenter);
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QPushButton *remove_btn = new QPushButton("✖", this); |
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remove_btn = new QPushButton("✖", this); |
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remove_btn->setFixedSize(20, 20); |
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remove_btn->setToolTip(tr("Remove chart")); |
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header_layout->addWidget(remove_btn, 0, 2, Qt::AlignRight); |
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main_layout->addWidget(header); |
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chart_view = new ChartView(id, sig, this); |
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chart_view->setFixedHeight(settings.chart_height); |
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main_layout->addWidget(chart_view); |
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main_layout->addStretch(); |
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setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed); |
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updateTitle(); |
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updateFromSettings(); |
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QObject::connect(remove_btn, &QPushButton::clicked, [=]() { emit remove(id, sig); }); |
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QObject::connect(&settings, &Settings::changed, [this]() { chart_view->setFixedHeight(settings.chart_height); }); |
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QObject::connect(&settings, &Settings::changed, this, &ChartWidget::updateFromSettings); |
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} |
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void ChartWidget::updateTitle() { |
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@ -234,12 +241,22 @@ void ChartWidget::updateTitle() { |
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sig_name_label->setText(signal->name.c_str()); |
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} |
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void ChartWidget::updateFromSettings() { |
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header->setStyleSheet(settings.chart_theme == 0 ? "background-color:white" : "background-color:#23242c"); |
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QString color_style = settings.chart_theme == 0 ? "color:black" : "color:white"; |
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sig_name_label->setStyleSheet("font-weight:bold;" + color_style); |
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msg_name_label->setStyleSheet(color_style); |
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remove_btn->setStyleSheet(color_style); |
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chart_view->updateFromSettings(); |
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} |
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// ChartView
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ChartView::ChartView(const QString &id, const Signal *sig, QWidget *parent) |
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: id(id), signal(sig), QChartView(nullptr, parent) { |
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QLineSeries *series = new QLineSeries(); |
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QChart *chart = new QChart(); |
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chart->setBackgroundRoundness(0); |
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chart->addSeries(series); |
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chart->createDefaultAxes(); |
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chart->legend()->hide(); |
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@ -247,11 +264,15 @@ ChartView::ChartView(const QString &id, const Signal *sig, QWidget *parent) |
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chart->layout()->setContentsMargins(0, 0, 0, 0); |
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track_line = new QGraphicsLineItem(chart); |
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track_line->setPen(QPen(Qt::gray, 1, Qt::DashLine)); |
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value_text = new QGraphicsSimpleTextItem(chart); |
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value_text->setBrush(Qt::gray); |
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track_line->setZValue(chart->zValue() + 10); |
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track_line->setPen(QPen(Qt::darkGray, 1, Qt::DashLine)); |
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track_ellipse = new QGraphicsEllipseItem(chart); |
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track_ellipse->setZValue(chart->zValue() + 10); |
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track_ellipse->setBrush(Qt::darkGray); |
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value_text = new QGraphicsTextItem(chart); |
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value_text->setZValue(chart->zValue() + 10); |
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line_marker = new QGraphicsLineItem(chart); |
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line_marker->setPen(QPen(Qt::black, 2)); |
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line_marker->setZValue(chart->zValue() + 10); |
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setChart(chart); |
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@ -274,6 +295,12 @@ ChartView::ChartView(const QString &id, const Signal *sig, QWidget *parent) |
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}); |
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} |
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void ChartView::updateFromSettings() { |
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setFixedHeight(settings.chart_height); |
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chart()->setTheme(settings.chart_theme == 0 ? QChart::ChartThemeLight : QChart::QChart::ChartThemeDark); |
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line_marker->setPen(QPen(settings.chart_theme == 0 ? Qt::black : Qt::white, 2)); |
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} |
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void ChartView::setRange(double min, double max, bool force_update) { |
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auto axis_x = dynamic_cast<QValueAxis *>(chart()->axisX()); |
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if (force_update || (min != axis_x->min() || max != axis_x->max())) { |
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@ -348,12 +375,14 @@ void ChartView::updateAxisY() { |
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void ChartView::enterEvent(QEvent *event) { |
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track_line->setVisible(true); |
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value_text->setVisible(true); |
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track_ellipse->setVisible(true); |
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QChartView::enterEvent(event); |
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} |
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void ChartView::leaveEvent(QEvent *event) { |
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track_line->setVisible(false); |
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value_text->setVisible(false); |
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track_ellipse->setVisible(false); |
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QChartView::leaveEvent(event); |
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} |
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@ -373,29 +402,39 @@ void ChartView::mouseReleaseEvent(QMouseEvent *event) { |
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// zoom in if selected range is greater than 0.5s
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emit zoomIn(min, max); |
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} |
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event->accept(); |
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} else if (event->button() == Qt::RightButton) { |
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emit zoomReset(); |
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event->accept(); |
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} else { |
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QGraphicsView::mouseReleaseEvent(event); |
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} |
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event->accept(); |
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} |
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void ChartView::mouseMoveEvent(QMouseEvent *ev) { |
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auto rubber = findChild<QRubberBand *>(); |
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bool dragging = rubber && rubber->isVisible(); |
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if (!dragging) { |
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bool is_zooming = rubber && rubber->isVisible(); |
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if (!is_zooming) { |
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const auto plot_area = chart()->plotArea(); |
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float x = std::clamp((float)ev->pos().x(), (float)plot_area.left(), (float)plot_area.right()); |
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track_line->setLine(x, plot_area.top(), x, plot_area.bottom()); |
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auto axis_x = dynamic_cast<QValueAxis *>(chart()->axisX()); |
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double sec = axis_x->min() + ((x - plot_area.x()) / plot_area.width()) * (axis_x->max() - axis_x->min()); |
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auto value = std::lower_bound(vals.begin(), vals.end(), sec, [](auto &p, double x) { return p.x() < x; }); |
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value_text->setPos(x + 6, plot_area.bottom() - 25); |
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double x = std::clamp((double)ev->pos().x(), plot_area.left(), plot_area.right()-1); |
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double sec = axis_x->min() + (axis_x->max() - axis_x->min()) * (x - plot_area.left()) / plot_area.width(); |
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auto value = std::upper_bound(vals.begin(), vals.end(), sec, [](double x, auto &p) { return x < p.x(); }); |
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if (value != vals.end()) { |
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value_text->setText(QString("(%1, %2)").arg(value->x(), 0, 'f', 3).arg(value->y())); |
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} else { |
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value_text->setText("(--, --)"); |
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QPointF pos = chart()->mapToPosition((*value)); |
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track_line->setLine(pos.x(), plot_area.top(), pos.x(), plot_area.bottom()); |
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track_ellipse->setRect(pos.x() - 5, pos.y() - 5, 10, 10); |
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value_text->setHtml(tr("<div style='background-color:darkGray'><font color='white'>%1, %2)</font></div>") |
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.arg(value->x(), 0, 'f', 3).arg(value->y())); |
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int text_x = pos.x() + 8; |
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if ((text_x + value_text->boundingRect().width()) > plot_area.right()) { |
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text_x = pos.x() - value_text->boundingRect().width() - 8; |
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} |
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value_text->setPos(text_x, pos.y() - 10); |
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} |
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track_line->setVisible(value != vals.end()); |
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value_text->setVisible(value != vals.end()); |
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track_ellipse->setVisible(value != vals.end()); |
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} |
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QChartView::mouseMoveEvent(ev); |
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} |
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royjr
3 years ago