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Cleanup and Cache Alt-key linechart display so it only calcs once per frame

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This commit is contained in:
Mark Watkins 2014-07-21 12:41:25 +10:00
parent 48ac50e224
commit 14a1eb5a03
2 changed files with 45 additions and 18 deletions
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61
sleepyhead/Graphs/gLineChart.cpp
View File

@ -165,6 +165,45 @@ bool gLineChart::mouseMoveEvent(QMouseEvent *event, gGraph *graph)
return true;
}
QString gLineChart::getMetaString(ChannelID code, qint64 xpos)
{
static qint64 lasttime = 0;
static ChannelID lastcode = NoChannel;
static QString lasttext;
QString text;
if (!((lasttime == xpos) && (lastcode == code))) {
EventDataType val = 0, val2 = 0, val3 = 0;
if (m_day) {
if (code == CPAP_Pressure) {
CPAPMode mode = (CPAPMode)round(m_day->settings_wavg(CPAP_Mode));
if (mode >= MODE_BIPAP) {
val = m_day->lookupValue(CPAP_EPAP, xpos);
val2 = m_day->lookupValue(CPAP_IPAP, xpos);
val3 = val2 - val;
text=QString("%1: %2 %3 %4:%5 %3 %6:%7 %3").arg(STR_TR_EPAP).arg(val,0,'f',1).arg(STR_UNIT_CMH2O).arg(STR_TR_IPAP).arg(val2,0,'f',1).arg(STR_TR_PS).arg(val3,0,'f',1);
} else {
val = m_day->lookupValue(code, xpos);
text = QString("%1: %2 %3").arg(schema::channel[code].label()).arg(val).arg(schema::channel[code].units());
}
} else {
val = m_day->lookupValue(code, xpos);
text = QString("%1: %2 %3").arg(schema::channel[code].label()).arg(val).arg(schema::channel[code].units());
}
}
QDateTime dt=QDateTime::fromMSecsSinceEpoch(xpos);
text = dt.toString("MMM dd - HH:mm:ss:zzz")+" "+text;
lastcode = code;
lasttime = xpos;
lasttext = text;
} else {
text = lasttext;
}
return text;
}
// Time Domain Line Chart
void gLineChart::paint(QPainter &painter, gGraph &w, const QRegion &region)
@ -236,37 +275,23 @@ void gLineChart::paint(QPainter &painter, gGraph &w, const QRegion &region)
}
if (w.graphView()->metaSelect()) {
QPoint mouse = w.graphView()->currentMousePos();
double pos = mouse.x() - left;
if (pos > 0) {
qint64 xpos = minx + (pos * (xx / double(width)));
EventDataType val = 0, val2 = 0, val3 = 0;
QString pressure;
if (m_day) {
CPAPMode mode = (CPAPMode)round(m_day->settings_wavg(CPAP_Mode));
if (mode >= MODE_BIPAP) {
val = m_day->lookupValue(CPAP_EPAP, xpos);
val2 = m_day->lookupValue(CPAP_IPAP, xpos);
val3 = val2 - val;
pressure=QString("%1: %2%3 %4:%5%3 %6:%7%3").arg(STR_TR_EPAP).arg(val,0,'f',1).arg(STR_UNIT_CMH2O).arg(STR_TR_IPAP).arg(val2,0,'f',1).arg(STR_TR_PS).arg(val3,0,'f',1);
} else {
val = m_day->lookupValue(CPAP_Pressure, xpos);
pressure=QString("%1: %2%3").arg(STR_TR_Pressure).arg(val).arg(STR_UNIT_CMH2O);
}
}
painter.setPen(QPen(QBrush(QColor(Qt::gray)),1));
painter.drawLine(mouse.x(), top-w.marginTop()-3, mouse.x(), top+height+w.bottom-1);
QDateTime dt=QDateTime::fromMSecsSinceEpoch(xpos);
QString text = dt.toString("MMM dd - HH:mm:ss:zzz")+" "+pressure;
QString text = getMetaString(CPAP_Pressure, xpos);
int wid, h;
GetTextExtent(text, wid, h);
w.renderText(text, left + width/2 - wid/2, top-h+5);
}
}

2
sleepyhead/Graphs/gLineChart.h
View File

@ -82,6 +82,8 @@ class gLineChart: public Layer
//! \brief Mouse moved over this layers area (shows the hover-over tooltips here)
virtual bool mouseMoveEvent(QMouseEvent *event, gGraph *graph);
QString getMetaString(ChannelID code, qint64 time);
bool m_report_empty;
bool m_square_plot;
bool m_disable_accel;