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* [Client] Show live connection latency in the status bar Add a permanent status-bar label fed by ConnectionController's pingStatsUpdated: shows the latest round-trip time, hides while disconnected or without samples, and carries a tooltip with Last/Median/95th percentile/Maximum over the rolling sample window (mirrored into the accessible description). The server tab gets the same stats as its tooltip. Took 2 minutes Took 2 minutes Took 1 minute Took 48 seconds Took 25 seconds Took 4 minutes * [Client] Graph connection latency history in the status bar Add LatencyGraphWidget, a size-agnostic bar sparkline over the rolling sample window: heights scale to the window's own range while colors map onto an absolute quality ramp, so a steady good ping stays green. Embed it in the new LatencyStatusWidget together with the textual ping readout and feed both through ConnectionController's forwarded signals; the whole area hides while disconnected or without samples. Took 9 minutes Took 14 seconds * [Client] Show latency details when clicking the ping display Clicking the status bar ping area opens a popup with a larger instance of the latency graph plus the numeric statistics, selectable and mirrored into the accessible name. Qt::Popup closes it on any outside click; contents refresh live while open. Took 33 seconds * Fixup from core commit Took 6 minutes Took 5 seconds Took 5 minutes * Lint. Took 12 minutes * Consolidate. Took 6 minutes --------- Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/**
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* @file latency_graph_widget.cpp
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* @ingroup Client
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*/
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#include "latency_graph_widget.h"
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#include <QPainter>
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LatencyGraphWidget::LatencyGraphWidget(QWidget *parent) : QWidget(parent)
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{
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}
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void LatencyGraphWidget::setSamples(const QList<int> &samplesMs)
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{
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samples = samplesMs;
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update();
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}
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void LatencyGraphWidget::paintEvent(QPaintEvent * /* event */)
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{
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if (samples.isEmpty()) {
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return;
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}
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QPainter painter(this);
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// Heights are relative to the window's own worst sample (floored at
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// MinScaleMs) so the shape of the variance stays readable even when every
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// value is small.
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qint64 heightScaleMs = MinScaleMs;
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for (int sample : samples) {
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heightScaleMs = qMax(heightScaleMs, static_cast<qint64>(sample));
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}
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const qreal widthPerBar = static_cast<qreal>(width()) / samples.size();
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for (int i = 0; i < samples.size(); ++i) {
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const qreal heightRatio = qBound(0.0, static_cast<double>(samples.at(i)) / heightScaleMs, 1.0);
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const qreal barHeight = heightRatio * height();
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// Colors follow an absolute quality ramp: a steady good ping stays
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// green no matter how uniform the window is.
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const qreal colorRatio = qBound(0.0, static_cast<double>(samples.at(i)) / ColorScaleMs, 1.0);
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QColor color;
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color.setHsv(qRound(120.0 * (1.0 - colorRatio)), 255, 255);
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const QRectF bar(static_cast<qreal>(i) * widthPerBar + 1.0, static_cast<qreal>(height()) - barHeight,
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qMax(1.0, widthPerBar - 2.0), barHeight);
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painter.fillRect(bar, color);
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}
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}
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