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qt: Properly scale network traffic stats depending on font metrics

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This commit is contained in:
xdustinface 2020-09-25 22:42:36 +02:00
parent 67b0f3b73e
commit b4ecfdce5a
1 changed files with 27 additions and 22 deletions
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49
src/qt/trafficgraphwidget.cpp
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@ -159,16 +159,24 @@ void TrafficGraphWidget::paintEvent(QPaintEvent *)
}
// Draw statistic rect on top of everything else
const int nScale = GUIUtil::getFontScale() / 2;
const int nMarginStats = 20;
const int nPadding = 5;
const int nWidthStats = 160 + nScale * 3 - 2 * nPadding;
const int nHeightStats = 110 + nScale - 2 * nPadding;
const int nSizeMark = nWidthStats * 0.15;
const int nWidthText = nWidthStats * 0.45;
const int nWidthBytes = nWidthStats * 0.4;
const int nHeightTotals = nHeightStats * 0.3;
const int nHeightInOut = nHeightStats * 0.35;
const int nMarginStats = 20;
const QString strTotal = tr("Total");
const QString strReceived = tr("Received");
const QString strSent = tr("Sent");
// Get a bold font for the title and a normal one for the rest
QFont fontTotal = GUIUtil::getFont(GUIUtil::FontWeight::Bold, false, 16);
QFont fontInOut = GUIUtil::getFont(GUIUtil::FontWeight::Normal, false, 12);
// Use font metrics to determine minimum rect sizes depending on the font scale
QFontMetrics fmTotal(fontTotal);
QFontMetrics fmInOut(fontInOut);
const int nSizeMark = fmInOut.height() + 2 * nPadding;
const int nWidthText = fmInOut.width(strReceived) + 2 * nPadding;
const int nWidthBytes = fmInOut.width("1000 GB") + 2 * nPadding;
const int nHeightTotals = fmTotal.height() + 2 * nPadding;
const int nHeightInOut = fmInOut.height() + 2 * nPadding;
const int nWidthStats = nSizeMark + nWidthText + nWidthBytes + 2 * nPadding;
const int nHeightStats = nHeightTotals + 2 * nHeightInOut + 2 * nPadding;
auto addPadding = [&](QRect& rect, int nPadding) {
rect.adjust(nPadding, nPadding, -nPadding, -nPadding);
};
@ -177,26 +185,23 @@ void TrafficGraphWidget::paintEvent(QPaintEvent *)
QRect rectContent = rectOuter;
QRect rectContentPadded = rectContent;
addPadding(rectContentPadded, nPadding);
QRect rectTotals(rectContentPadded.topLeft(), QSize(nWidthStats, nHeightTotals));
QRect rectIn(rectTotals.bottomLeft(), QSize(nWidthStats, nHeightInOut));
QRect rectOut(rectIn.bottomLeft(), QSize(nWidthStats, nHeightInOut));
QRect rectTotals(rectContentPadded.topLeft(), QSize(rectContentPadded.width(), nHeightTotals));
QRect rectIn(rectTotals.bottomLeft(), QSize(rectContentPadded.width(), nHeightInOut));
QRect rectOut(rectIn.bottomLeft(), QSize(rectContentPadded.width(), nHeightInOut));
// Create subrects for received
QRect rectInMark(rectIn.topLeft(), QSize(nSizeMark, nSizeMark));
QRect rectInText(rectInMark.topRight(), QSize(nWidthText, nHeightInOut));
QRect rectInBytes(rectInText.topRight(), QSize(nWidthBytes - nPadding, nHeightInOut));
QRect rectInBytes(rectInText.topRight(), QSize(nWidthBytes, nHeightInOut));
// Create subrects for sent
QRect rectOutMark(rectOut.topLeft(), QSize(nSizeMark, nSizeMark));
QRect rectOutText(rectOutMark.topRight(), QSize(nWidthText, nHeightInOut));
QRect rectOutBytes(rectOutText.topRight(), QSize(nWidthBytes - nPadding, nHeightInOut));
// Get a bold font for the title and a normal one for the rest
QFont fontTotal = GUIUtil::getFont(GUIUtil::FontWeight::Bold, false, 16);
QFont fontInOut = GUIUtil::getFont(GUIUtil::FontWeight::Normal, false, 12);
QRect rectOutBytes(rectOutText.topRight(), QSize(nWidthBytes, nHeightInOut));
// Add padding where required
addPadding(rectTotals, nPadding);
addPadding(rectInMark, nPadding);
addPadding(rectInMark, 1.6 * nPadding);
addPadding(rectInText, nPadding);
addPadding(rectInBytes, nPadding);
addPadding(rectOutMark, nPadding);
addPadding(rectOutMark, 1.6 * nPadding);
addPadding(rectOutText, nPadding);
addPadding(rectOutBytes, nPadding);
// Finally draw it all
@ -205,11 +210,11 @@ void TrafficGraphWidget::paintEvent(QPaintEvent *)
painter.fillRect(rectContent, GUIUtil::getThemedQColor(GUIUtil::ThemedColor::BACKGROUND_NETSTATS));
painter.setPen(axisCol);
painter.setFont(fontTotal);
painter.drawText(rectTotals, Qt::AlignLeft, tr("Totals"));
painter.drawText(rectTotals, Qt::AlignLeft, strTotal);
painter.setFont(fontInOut);
painter.drawText(rectInText, Qt::AlignLeft, tr("Received"));
painter.drawText(rectInText, Qt::AlignLeft, strReceived);
painter.drawText(rectInBytes, Qt::AlignRight, GUIUtil::formatBytes(trafficGraphData.getLastBytesIn()));
painter.drawText(rectOutText, Qt::AlignLeft, tr("Sent"));
painter.drawText(rectOutText, Qt::AlignLeft, strSent);
painter.drawText(rectOutBytes, Qt::AlignRight, GUIUtil::formatBytes(trafficGraphData.getLastBytesOut()));
painter.setPen(green);
painter.setBrush(green);