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sdrangel/sdrgui/gui/spectrummeasurements.cpp

699 lines
23 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2022 Jon Beniston, M7RCE //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QTableWidgetItem>
#include <QHeaderView>
#include <QVBoxLayout>
#include <QMenu>
#include <QAction>
#include <QClipboard>
#include <QGuiApplication>
#include <QDebug>
#include <QPainter>
#include <QStyledItemDelegate>
#include "gui/spectrummeasurements.h"
QSize SpectrumMeasurementsTable::sizeHint() const
{
// QAbstractScrollArea::sizeHint() always returns 256x192 when sizeAdjustPolicy == AdjustIgnored
// If using AdjustToContents policy, the default sizeHint includes the stretched empty column
// which we don't want, as that prevents the Auto Stack feature from reducing it
// So we need some custom code to set size ignoring this column
int width = 0;
int height = 0;
for (int i = 0; i < columnCount() - 1; i++) { // -1 to ignore empty column at end of row
width += columnWidth(i);
}
for (int i = 0; i < rowCount(); i++) {
height += rowHeight(i);
}
int doubleFrame = 2 * frameWidth();
width += verticalHeader()->width() + doubleFrame;
height += horizontalHeader()->height() + doubleFrame;
return QSize(width, height);
}
QSize SpectrumMeasurementsTable::minimumSizeHint() const
{
QSize min1 = QTableWidget::minimumSizeHint(); // This seems to include vertical space for scroll bar, which we don't need
int height = horizontalHeader()->height() + 2 * frameWidth() + rowHeight(0);
return QSize(min1.width(), height);
}
class SDRGUI_API UnitsDelegate : public QStyledItemDelegate {
public:
UnitsDelegate(QObject *parent = nullptr);
virtual void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
virtual QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override
{
QString s = text(index);
return QSize(width(s, option.fontMetrics) + 2, option.fontMetrics.height());
}
int width(const QString &s, const QFontMetrics &fm) const
{
int left = s.size() > 0 ? fm.leftBearing(s[0]) : 0;
int right = s.size() > 0 ? fm.rightBearing(s[s.size()-1]) : 0;
return fm.horizontalAdvance(s) + left + right;
}
QString text(const QModelIndex &index) const
{
QString units = index.data(UNITS_ROLE).toString();
QString s;
if (units == "Hz")
{
s = formatEngineering(index.data().toLongLong());
}
else
{
int precision = index.data(PRECISION_ROLE).toInt();
double d = index.data().toDouble();
s = QString::number(d, 'f', precision);
}
return s + units;
}
enum Roles {
UNITS_ROLE = Qt::UserRole,
PRECISION_ROLE,
SPEC_ROLE
};
protected:
QString formatEngineering(int64_t value) const;
};
UnitsDelegate::UnitsDelegate(QObject *parent) :
QStyledItemDelegate(parent)
{
}
QString UnitsDelegate::formatEngineering(int64_t value) const
{
if (value == 0) {
return "0";
}
int64_t absValue = std::abs(value);
QString digits = QString::number(absValue);
int cnt = digits.size();
QString point = QLocale::system().decimalPoint();
QString group = QLocale::system().groupSeparator();
int i;
for (i = cnt - 3; i >= 4; i -= 3)
{
digits = digits.insert(i, group);
}
if (absValue >= 1000) {
digits = digits.insert(i, point);
}
if (cnt > 9) {
digits = digits.append("G");
} else if (cnt > 6) {
digits = digits.append("M");
} else if (cnt > 3) {
digits = digits.append("k");
}
if (value < 0) {
digits = digits.insert(0, "-");
}
return digits;
}
void UnitsDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QFontMetrics fm = painter->fontMetrics();
QString s = text(index);
int sWidth = width(s, fm);
while ((sWidth > option.rect.width()) && !s.isEmpty())
{
s = s.mid(1);
sWidth = width(s, fm);
}
int y = option.rect.y() + (option.rect.height()) - ((option.rect.height() - fm.ascent()) / 2); // Align center vertically
QStyleOptionViewItem opt = option;
initStyleOption(&opt, index);
QPalette::ColorGroup cg = opt.state & QStyle::State_Enabled ? QPalette::Normal : QPalette::Disabled;
painter->setPen(opt.palette.color(cg, QPalette::Text));
painter->drawText(option.rect.x() + option.rect.width() - 1 - sWidth, y, s);
}
const QStringList SpectrumMeasurements::m_measurementColumns = {
"Current",
"Mean",
"Min",
"Max",
"Range",
"Std Dev",
"Count",
"Spec",
"Fails",
""
};
const QStringList SpectrumMeasurements::m_tooltips = {
"Current value",
"Mean average of values",
"Minimum value",
"Maximum value",
"Range of values (Max-Min)",
"Standard deviation",
"Count of values",
"Specification for value.\n\nE.g. <-100.5, >34.5 or =10.2",
"Count of values that failed to meet specification",
""
};
SpectrumMeasurements::SpectrumMeasurements(QWidget *parent) :
QWidget(parent),
m_measurement(SpectrumSettings::MeasurementPeaks),
m_precision(1),
m_table(nullptr),
m_peakTable(nullptr)
{
m_textBrush.setColor(Qt::white); // Should get this from the style sheet?
m_redBrush.setColor(Qt::red);
setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
QVBoxLayout *layout = new QVBoxLayout();
layout->setContentsMargins(0, 0, 0, 0);
setLayout(layout);
}
void SpectrumMeasurements::createMeasurementsTable(const QStringList &rows, const QStringList &units)
{
m_table = new SpectrumMeasurementsTable();
m_table->horizontalHeader()->setSectionsMovable(true);
m_table->verticalHeader()->setSectionsMovable(true);
m_table->setColumnCount(m_measurementColumns.size());
for (int i = 0; i < m_measurementColumns.size(); i++)
{
QTableWidgetItem *item = new QTableWidgetItem(m_measurementColumns[i]);
item->setToolTip(m_tooltips[i]);
m_table->setHorizontalHeaderItem(i, item);
}
m_table->horizontalHeader()->setStretchLastSection(true);
m_table->setRowCount(rows.size());
for (int i = 0; i < rows.size(); i++)
{
m_table->setVerticalHeaderItem(i, new QTableWidgetItem(rows[i]));
for (int j = 0; j < m_measurementColumns.size(); j++)
{
QTableWidgetItem *item = new QTableWidgetItem();
item->setFlags(Qt::ItemIsEnabled);
item->setTextAlignment(Qt::AlignRight | Qt::AlignVCenter);
if (j < COL_COUNT)
{
item->setData(UnitsDelegate::UNITS_ROLE, units[i]);
item->setData(UnitsDelegate::PRECISION_ROLE, m_precision);
}
else if (j == COL_SPEC)
{
item->setFlags(Qt::ItemIsEnabled | Qt::ItemIsEditable);
}
m_table->setItem(i, j, item);
}
Measurement m;
m.m_units = units[i];
m_measurements.append(m);
}
resizeMeasurementsTable();
m_table->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
m_table->setSizeAdjustPolicy(QAbstractScrollArea::AdjustToContents);
for (int i = 0; i < COL_COUNT; i++) {
m_table->setItemDelegateForColumn(i, new UnitsDelegate());
}
createTableMenus();
// Cell context menu
m_table->setContextMenuPolicy(Qt::CustomContextMenu);
connect(m_table, &QTableWidget::customContextMenuRequested, this, &SpectrumMeasurements::tableContextMenu);
}
void SpectrumMeasurements::createPeakTable(int peaks)
{
m_peakTable = new SpectrumMeasurementsTable();
m_peakTable->horizontalHeader()->setSectionsMovable(true);
QStringList columns = QStringList{"Frequency", "Power", ""};
m_peakTable->setColumnCount(columns.size());
m_peakTable->setRowCount(peaks);
for (int i = 0; i < columns.size(); i++) {
m_peakTable->setHorizontalHeaderItem(i, new QTableWidgetItem(columns[i]));
}
m_peakTable->horizontalHeader()->setStretchLastSection(true);
for (int i = 0; i < peaks; i++)
{
for (int j = 0; j < 3; j++)
{
QTableWidgetItem *item = new QTableWidgetItem();
item->setFlags(Qt::ItemIsEnabled);
if (j == COL_FREQUENCY) {
item->setData(UnitsDelegate::UNITS_ROLE, "Hz");
} else if (j == COL_POWER) {
item->setData(UnitsDelegate::UNITS_ROLE, " dB");
item->setData(UnitsDelegate::PRECISION_ROLE, m_precision);
}
m_peakTable->setItem(i, j, item);
}
}
resizePeakTable();
m_peakTable->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred);
m_peakTable->setSizeAdjustPolicy(QAbstractScrollArea::AdjustToContents);
m_peakTable->setItemDelegateForColumn(COL_FREQUENCY, new UnitsDelegate());
m_peakTable->setItemDelegateForColumn(COL_POWER, new UnitsDelegate());
// Cell context menu
m_peakTable->setContextMenuPolicy(Qt::CustomContextMenu);
connect(m_peakTable, &QTableWidget::customContextMenuRequested, this, &SpectrumMeasurements::peakTableContextMenu);
}
void SpectrumMeasurements::createTableMenus()
{
// Add context menu to allow hiding/showing of columns
m_rowMenu = new QMenu(m_table);
for (int i = 0; i < m_table->verticalHeader()->count() - 1; i++) // -1 to skip empty column
{
QString text = m_table->verticalHeaderItem(i)->text();
m_rowMenu->addAction(createCheckableItem(text, i, true, true));
}
m_table->verticalHeader()->setContextMenuPolicy(Qt::CustomContextMenu);
connect(m_table->verticalHeader(), &QTableWidget::customContextMenuRequested, this, &SpectrumMeasurements::rowSelectMenu);
// Add context menu to allow hiding/showing of rows
m_columnMenu = new QMenu(m_table);
for (int i = 0; i < m_table->horizontalHeader()->count(); i++)
{
QString text = m_table->horizontalHeaderItem(i)->text();
m_columnMenu->addAction(createCheckableItem(text, i, true, false));
}
m_table->horizontalHeader()->setContextMenuPolicy(Qt::CustomContextMenu);
connect(m_table->horizontalHeader(), &QTableWidget::customContextMenuRequested, this, &SpectrumMeasurements::columnSelectMenu);
}
void SpectrumMeasurements::createChannelPowerTable()
{
QStringList rows = {"Channel power"};
QStringList units = {" dB"};
createMeasurementsTable(rows, units);
}
void SpectrumMeasurements::createAdjacentChannelPowerTable()
{
QStringList rows = {"Left power", "Left ACPR", "Center power", "Right power", "Right ACPR"};
QStringList units = {" dB", " dBc", " dB", " dB", " dBc"};
createMeasurementsTable(rows, units);
}
void SpectrumMeasurements::createOccupiedBandwidthTable()
{
QStringList rows = {"Occupied B/W"};
QStringList units = {"Hz"};
createMeasurementsTable(rows, units);
}
void SpectrumMeasurements::create3dBBandwidthTable()
{
QStringList rows = {"3dB B/W"};
QStringList units = {"Hz"};
createMeasurementsTable(rows, units);
}
void SpectrumMeasurements::createSNRTable()
{
QStringList rows = {"SNR", "SNFR", "THD", "THD+N", "SINAD", "SFDR",};
QStringList units = {" dB", " dB", " dB", " dB", " dB", " dBc"};
createMeasurementsTable(rows, units);
}
// Create column select menu item
QAction *SpectrumMeasurements::createCheckableItem(QString &text, int idx, bool checked, bool row)
{
QAction *action = new QAction(text, this);
action->setCheckable(true);
action->setChecked(checked);
action->setData(QVariant(idx));
if (row) {
connect(action, &QAction::triggered, this, &SpectrumMeasurements::rowSelectMenuChecked);
} else {
connect(action, &QAction::triggered, this, &SpectrumMeasurements::columnSelectMenuChecked);
}
return action;
}
// Right click in table header - show row select menu
void SpectrumMeasurements::rowSelectMenu(QPoint pos)
{
m_rowMenu->popup(m_table->verticalHeader()->viewport()->mapToGlobal(pos));
}
// Hide/show row when menu selected
void SpectrumMeasurements::rowSelectMenuChecked(bool checked)
{
(void) checked;
QAction* action = qobject_cast<QAction*>(sender());
if (action != nullptr)
{
int idx = action->data().toInt(nullptr);
m_table->setRowHidden(idx, !action->isChecked());
}
}
// Right click in table header - show column select menu
void SpectrumMeasurements::columnSelectMenu(QPoint pos)
{
m_columnMenu->popup(m_table->horizontalHeader()->viewport()->mapToGlobal(pos));
}
// Hide/show column when menu selected
void SpectrumMeasurements::columnSelectMenuChecked(bool checked)
{
(void) checked;
QAction* action = qobject_cast<QAction*>(sender());
if (action != nullptr)
{
int idx = action->data().toInt(nullptr);
m_table->setColumnHidden(idx, !action->isChecked());
}
}
void SpectrumMeasurements::tableContextMenu(QPoint pos)
{
QTableWidgetItem *item = m_table->itemAt(pos);
if (item)
{
QMenu* tableContextMenu = new QMenu(m_table);
connect(tableContextMenu, &QMenu::aboutToHide, tableContextMenu, &QMenu::deleteLater);
// Copy current cell
QAction* copyAction = new QAction("Copy", tableContextMenu);
const QString text = item->text();
connect(copyAction, &QAction::triggered, this, [text]()->void {
QClipboard *clipboard = QGuiApplication::clipboard();
clipboard->setText(text);
});
tableContextMenu->addAction(copyAction);
tableContextMenu->addSeparator();
tableContextMenu->popup(m_table->viewport()->mapToGlobal(pos));
}
}
void SpectrumMeasurements::peakTableContextMenu(QPoint pos)
{
QTableWidgetItem *item = m_peakTable->itemAt(pos);
if (item)
{
QMenu* tableContextMenu = new QMenu(m_peakTable);
connect(tableContextMenu, &QMenu::aboutToHide, tableContextMenu, &QMenu::deleteLater);
// Copy current cell
QAction* copyAction = new QAction("Copy", tableContextMenu);
const QString text = item->text();
connect(copyAction, &QAction::triggered, this, [text]()->void {
QClipboard *clipboard = QGuiApplication::clipboard();
clipboard->setText(text);
});
tableContextMenu->addAction(copyAction);
tableContextMenu->addSeparator();
tableContextMenu->popup(m_peakTable->viewport()->mapToGlobal(pos));
}
}
void SpectrumMeasurements::resizeMeasurementsTable()
{
// Fill table with a row of dummy data that will size the columns nicely
int row = m_table->rowCount();
m_table->setRowCount(row + 1);
m_table->setItem(row, COL_CURRENT, new QTableWidgetItem("-120.0 dBc"));
m_table->setItem(row, COL_MEAN, new QTableWidgetItem("-120.0 dBc"));
m_table->setItem(row, COL_MIN, new QTableWidgetItem("-120.0 dBc"));
m_table->setItem(row, COL_MAX, new QTableWidgetItem("-120.0 dBc"));
m_table->setItem(row, COL_RANGE, new QTableWidgetItem("-120.0 dBc"));
m_table->setItem(row, COL_STD_DEV, new QTableWidgetItem("-120.0 dBc"));
m_table->setItem(row, COL_COUNT, new QTableWidgetItem("100000"));
m_table->setItem(row, COL_SPEC, new QTableWidgetItem(">= -120.0"));
m_table->setItem(row, COL_FAILS, new QTableWidgetItem("100000"));
m_table->resizeColumnsToContents();
m_table->removeRow(row);
}
void SpectrumMeasurements::resizePeakTable()
{
// Fill table with a row of dummy data that will size the columns nicely
int row = m_peakTable->rowCount();
m_peakTable->setRowCount(row + 1);
m_peakTable->setItem(row, COL_FREQUENCY, new QTableWidgetItem("6.000,000,000GHz"));
m_peakTable->setItem(row, COL_POWER, new QTableWidgetItem("-120.0 dB"));
m_peakTable->resizeColumnsToContents();
m_peakTable->removeRow(row);
}
void SpectrumMeasurements::setMeasurementParams(SpectrumSettings::Measurement measurement, int peaks, int precision)
{
if ( (measurement != m_measurement)
|| (m_precision != precision)
|| ((m_peakTable == nullptr) && (m_table == nullptr))
|| ((m_peakTable != nullptr) && (peaks != m_peakTable->rowCount()))
)
{
// Tried using setVisible(), but that would hang, so delete and recreate
delete m_peakTable;
m_peakTable = nullptr;
delete m_table;
m_table = nullptr;
m_measurement = measurement;
m_precision = precision;
switch (measurement)
{
case SpectrumSettings::MeasurementPeaks:
createPeakTable(peaks);
layout()->addWidget(m_peakTable);
break;
case SpectrumSettings::MeasurementChannelPower:
reset();
createChannelPowerTable();
layout()->addWidget(m_table);
break;
case SpectrumSettings::MeasurementAdjacentChannelPower:
reset();
createAdjacentChannelPowerTable();
layout()->addWidget(m_table);
break;
case SpectrumSettings::MeasurementOccupiedBandwidth:
reset();
createOccupiedBandwidthTable();
layout()->addWidget(m_table);
break;
case SpectrumSettings::Measurement3dBBandwidth:
reset();
create3dBBandwidthTable();
layout()->addWidget(m_table);
break;
case SpectrumSettings::MeasurementSNR:
reset();
createSNRTable();
layout()->addWidget(m_table);
break;
default:
break;
}
// Set size to show full table
if (m_peakTable)
{
m_peakTable->show(); // Need to call show() so that sizeHint() is not 0,0
resize(sizeHint());
}
else if (m_table)
{
m_table->show();
resize(sizeHint());
}
}
}
void SpectrumMeasurements::reset()
{
for (int i = 0; i < m_measurements.size(); i++) {
m_measurements[i].reset();
}
if (m_table)
{
for (int i = 0; i < m_table->rowCount(); i++)
{
for (int j = 0; j < m_table->columnCount(); j++)
{
if (j != COL_SPEC) {
m_table->item(i, j)->setText("");
}
}
}
}
}
// Check the value meets the user-defined specification
bool SpectrumMeasurements::checkSpec(const QString &spec, double value) const
{
if (spec.isEmpty()) {
return true;
}
if (spec.startsWith("<="))
{
double limit = spec.mid(2).toDouble();
return value <= limit;
}
else if (spec[0] == '<')
{
double limit = spec.mid(1).toDouble();
return value < limit;
}
else if (spec.startsWith(">="))
{
double limit = spec.mid(2).toDouble();
return value >= limit;
}
else if (spec[0] == '>')
{
double limit = spec.mid(1).toDouble();
return value > limit;
}
else if (spec[0] == '=')
{
double limit = spec.mid(1).toDouble();
return value == limit;
}
return false;
}
void SpectrumMeasurements::updateMeasurement(int row, float value)
{
m_measurements[row].add(value);
double mean = m_measurements[row].mean();
m_table->item(row, COL_CURRENT)->setData(Qt::DisplayRole, value);
m_table->item(row, COL_MEAN)->setData(Qt::DisplayRole, mean);
m_table->item(row, COL_MIN)->setData(Qt::DisplayRole, m_measurements[row].m_min);
m_table->item(row, COL_MAX)->setData(Qt::DisplayRole, m_measurements[row].m_max);
m_table->item(row, COL_RANGE)->setData(Qt::DisplayRole, m_measurements[row].m_max - m_measurements[row].m_min);
m_table->item(row, COL_STD_DEV)->setData(Qt::DisplayRole, m_measurements[row].stdDev());
m_table->item(row, COL_COUNT)->setData(Qt::DisplayRole, m_measurements[row].m_values.size());
QString spec = m_table->item(row, COL_SPEC)->text();
bool valueOK = checkSpec(spec, value);
bool meanOK = checkSpec(spec, mean);
bool minOK = checkSpec(spec, m_measurements[row].m_min);
bool mmaxOK = checkSpec(spec, m_measurements[row].m_max);
if (!valueOK)
{
m_measurements[row].m_fails++;
m_table->item(row, 8)->setData(Qt::DisplayRole, m_measurements[row].m_fails);
}
// item->setForeground doesn't work, perhaps as we have style sheet applied?
m_table->item(row, COL_CURRENT)->setData(Qt::ForegroundRole, valueOK ? m_textBrush : m_redBrush);
m_table->item(row, COL_MEAN)->setData(Qt::ForegroundRole, meanOK ? m_textBrush : m_redBrush);
m_table->item(row, COL_MIN)->setData(Qt::ForegroundRole, minOK ? m_textBrush : m_redBrush);
m_table->item(row, COL_MAX)->setData(Qt::ForegroundRole, mmaxOK ? m_textBrush : m_redBrush);
}
void SpectrumMeasurements::setSNR(float snr, float snfr, float thd, float thdpn, float sinad)
{
updateMeasurement(0, snr);
updateMeasurement(1, snfr);
updateMeasurement(2, thd);
updateMeasurement(3, thdpn);
updateMeasurement(4, sinad);
}
void SpectrumMeasurements::setSFDR(float sfdr)
{
updateMeasurement(5, sfdr);
}
void SpectrumMeasurements::setChannelPower(float power)
{
updateMeasurement(0, power);
}
void SpectrumMeasurements::setAdjacentChannelPower(float left, float leftACPR, float center, float right, float rightACPR)
{
updateMeasurement(0, left);
updateMeasurement(1, leftACPR);
updateMeasurement(2, center);
updateMeasurement(3, right);
updateMeasurement(4, rightACPR);
}
void SpectrumMeasurements::setOccupiedBandwidth(float occupiedBandwidth)
{
updateMeasurement(0, occupiedBandwidth);
}
void SpectrumMeasurements::set3dBBandwidth(float bandwidth)
{
updateMeasurement(0, bandwidth);
}
void SpectrumMeasurements::setPeak(int peak, int64_t frequency, float power)
{
if (peak < m_peakTable->rowCount())
{
m_peakTable->item(peak, COL_FREQUENCY)->setData(Qt::DisplayRole, QVariant((qlonglong)frequency));
m_peakTable->item(peak, COL_POWER)->setData(Qt::DisplayRole, power);
}
else
{
qDebug() << "SpectrumMeasurements::setPeak: Attempt to set peak " << peak << " when only " << m_peakTable->rowCount() << " rows in peak table";
}
}