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Qwt dependency removed, drag&drop for traces added

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This commit is contained in:
Jan Käberich 2020-11-22 14:38:52 +01:00
parent 25196fbc30
commit c22d576984
13 changed files with 415 additions and 737 deletions
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102
Software/PC_Application/Traces/tracesmithchart.cpp
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@ -1,4 +1,4 @@
#include "tracesmithchart.h"
#include "tracesmithchart.h"
#include <QPainter>
#include <array>
#include <math.h>
@ -38,83 +38,20 @@ void TraceSmithChart::axisSetupDialog()
dialog->show();
}
QPoint TraceSmithChart::plotToPixel(std::complex<double> S)
QPoint TraceSmithChart::dataToPixel(Trace::Data d)
{
return transform.map(QPoint(S.real() * smithCoordMax, -S.imag() * smithCoordMax));
}
std::complex<double> TraceSmithChart::pixelToPlot(const QPoint &pos)
{
QPointF inv = transform.inverted().map(pos);
return complex<double>(inv.x()/smithCoordMax, -inv.y()/smithCoordMax);
}
void TraceSmithChart::mousePressEvent(QMouseEvent *event)
{
auto clickPoint = event->pos();
unsigned int closestDistance = numeric_limits<unsigned int>::max();
TraceMarker *closestMarker = nullptr;
for(auto t : traces) {
auto markers = t.first->getMarkers();
for(auto m : markers) {
if(!m->isMovable()) {
continue;
}
if (limitToSpan && (m->getFrequency() < sweep_fmin || m->getFrequency() > sweep_fmax)) {
// marker outside of currently displayed range
continue;
}
auto S = m->getData();
auto markerPoint = plotToPixel(S);
auto yDiff = abs(markerPoint.y() - clickPoint.y());
auto xDiff = abs(markerPoint.x() - clickPoint.x());
unsigned int distance = xDiff * xDiff + yDiff * yDiff;
if(distance < closestDistance) {
closestDistance = distance;
closestMarker = m;
}
}
}
if(closestDistance <= 400) {
selectedMarker = closestMarker;
} else {
selectedMarker = nullptr;
}
}
void TraceSmithChart::mouseMoveEvent(QMouseEvent *event)
{
if(selectedMarker) {
auto t = selectedMarker->trace();
auto mouseS = pixelToPlot(event->pos());
auto samples = t->size();
if(!samples) {
return;
}
double closestDistance = numeric_limits<double>::max();
unsigned int closestIndex = 0;
for(unsigned int i=0;i<samples;i++) {
auto data = t->sample(i);
if (limitToSpan && (data.frequency < sweep_fmin || data.frequency > sweep_fmax)) {
// destination point outside of currently displayed range
continue;
}
auto distance = norm(data.S - mouseS);
if(distance < closestDistance) {
closestDistance = distance;
closestIndex = i;
}
}
selectedMarker->setFrequency(t->sample(closestIndex).frequency);
if(d.frequency < sweep_fmin || d.frequency > sweep_fmax) {
return QPoint();
}
return transform.map(QPoint(d.S.real() * smithCoordMax, -d.S.imag() * smithCoordMax));
}
void TraceSmithChart::draw(QPainter &p) {
p.setBrush(palette().windowText());
auto pref = Preferences::getInstance();
// translate coordinate system so that the smith chart sits in the origin has a size of 1
auto w = p.window();
p.save();
p.translate(w.width()/2, w.height()/2);
auto scale = qMin(w.height(), w.width()) / (2.0 * smithCoordMax);
p.scale(scale, scale);
@ -160,7 +97,7 @@ void TraceSmithChart::draw(QPainter &p) {
// trace marked invisible
continue;
}
pen = QPen(trace->color(), 1.5);
pen = QPen(trace->color(), 1);
pen.setCosmetic(true);
p.setPen(pen);
int nPoints = trace->size();
@ -194,6 +131,31 @@ void TraceSmithChart::draw(QPainter &p) {
}
}
}
if(dropPending) {
p.setOpacity(0.5);
p.setBrush(Qt::white);
p.setPen(Qt::white);
p.drawEllipse(-smithCoordMax, -smithCoordMax, 2*smithCoordMax, 2*smithCoordMax);
p.restore();
auto font = p.font();
font.setPixelSize(20);
p.setFont(font);
p.setOpacity(1.0);
p.setPen(Qt::white);
auto text = "Drop here to add\n" + dropTrace->name() + "\nto Smith chart";
p.drawText(p.window(), Qt::AlignCenter, text);
} else {
p.restore();
}
}
void TraceSmithChart::traceDropped(Trace *t, QPoint position)
{
Q_UNUSED(t)
Q_UNUSED(position);
if(supported(t)) {
enableTrace(t, true);
}
}
//void TraceSmithChart::paintEvent(QPaintEvent * /* the event */)