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profile: use C++ string functions to format plot data

Browse source 
This may appear a bit ominous, as it doesn't generate a string,
but a vector of strings (one for each line). However, that is
in preparation for the QtQuickification of the profile, where
the text-items take such a list.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2024-03-10 23:11:23 +01:00 • committed by bstoeger
parent 422f693f5b
commit ae299d5e66
4 changed files with 149 additions and 158 deletions
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12
profile-widget/divetooltipitem.cpp
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@ -222,8 +222,6 @@ void ToolTipItem::setTimeAxis(DiveCartesianAxis *axis)
void ToolTipItem::refresh(const dive *d, const QPointF &pos, bool inPlanner)
{
struct membufferpp mb;
if(refreshTime.elapsed() < 40)
return;
refreshTime.start();
@ -233,7 +231,7 @@ void ToolTipItem::refresh(const dive *d, const QPointF &pos, bool inPlanner)
lastTime = time;
clear();
int idx = get_plot_details_new(d, &pInfo, time, &mb);
auto [idx, lines] = get_plot_details_new(d, &pInfo, time);
tissues.fill();
painter.setPen(QColor(0, 0, 0, 0));
@ -253,7 +251,13 @@ void ToolTipItem::refresh(const dive *d, const QPointF &pos, bool inPlanner)
painter.setPen(QColor(0, 0, 0, 127));
for (int i = 0; i < 16; i++)
painter.drawLine(i, 60, i, 60 - entry->percentages[i] / 2);
entryToolTip.second->setPlainText(QString::fromUtf8(mb.buffer, mb.len));
QString text;
for (const std::string &s: lines) {
if (!text.isEmpty())
text += '\n';
text += QString::fromStdString(s);
}
entryToolTip.second->setPlainText(text);
}
entryToolTip.first->setPixmap(tissues);