void FunctionDialog::setCurveToModify(Graph *g, int curve)
{
if (!g)
return;
graph = g;
FunctionCurve *c = (FunctionCurve *)graph->curve(curve);
if (!c)
return;
curveID = curve;
QStringList formulas = c->formulas();
QMap<QString, double> constants = c->constants();
if (!constants.isEmpty()) {
boxConstants->clearContents();
boxConstants->setRowCount(constants.size());
boxConstants->show();
ApplicationWindow *app = (ApplicationWindow *)parent();
QMapIterator<QString, double> i(constants);
int row = 0;
while (i.hasNext()) {
i.next();
boxConstants->setItem(row, 0, new QTableWidgetItem(i.key()));
DoubleSpinBox *sb = new DoubleSpinBox();
sb->setLocale(app->locale());
sb->setDecimals(app->fit_output_precision);
sb->setValue(i.value());
boxConstants->setCellWidget(row, 1, sb);
connect(sb, SIGNAL(valueChanged(double)), this, SLOT(acceptFunction()));
row++;
}
}
void ContourLinesEditor::insertLevel()
{
if (!d_spectrogram)
return;
int row = table->currentRow();
DoubleSpinBox *sb = (DoubleSpinBox*)table->cellWidget(row, 0);
if (!sb)
return;
QwtDoubleInterval range = d_spectrogram->data().range();
double current_value = sb->value();
double previous_value = range.minValue ();
sb = (DoubleSpinBox*)table->cellWidget(row - 1, 0);
if (sb)
previous_value = sb->value();
double val = 0.5*(current_value + previous_value);
table->blockSignals(true);
table->insertRow(row);
sb = new DoubleSpinBox();
sb->setLocale(d_locale);
sb->setDecimals(d_precision);
sb->setValue(val);
sb->setRange(range.minValue (), range.maxValue ());
connect(sb, SIGNAL(activated(DoubleSpinBox *)), this, SLOT(spinBoxActivated(DoubleSpinBox *)));
table->setCellWidget(row, 0, sb);
QPen pen = d_spectrogram->defaultContourPen();
if (pen.style() == Qt::NoPen)
pen = d_spectrogram->contourPen (val);
int width = 80;
int height = 20;
QPixmap pix(width, height);
pix.fill(Qt::white);
QPainter paint(&pix);
paint.setRenderHint(QPainter::Antialiasing);
paint.setPen(pen);
paint.drawLine(0, height/2, width, height/2);
paint.end();
QLabel *lbl = new QLabel();
lbl->setPixmap(pix);
table->setCellWidget(row, 1, lbl);
table->blockSignals(false);
enableButtons(table->currentRow());
d_pen_list.insert(row, pen);
}
void ColorMapEditor::insertLevel()
{
int row = table->currentRow();
DoubleSpinBox *sb = (DoubleSpinBox*)table->cellWidget(row, 0);
if (!sb)
return;
double current_value = sb->value();
double previous_value = min_val;
sb = (DoubleSpinBox*)table->cellWidget(row - 1, 0);
if (sb)
previous_value = sb->value();
double val = 0.5*(current_value + previous_value);
QwtDoubleInterval range = QwtDoubleInterval(min_val, max_val);
double mapped_val = (val - min_val)/range.width();
QColor c = QColor(color_map.rgb(QwtDoubleInterval(0, 1), mapped_val));
table->blockSignals(true);
table->insertRow(row);
sb = new DoubleSpinBox();
sb->setLocale(d_locale);
sb->setDecimals(d_precision);
sb->setValue(val);
sb->setRange(min_val, max_val);
connect(sb, SIGNAL(valueChanged(double)), this, SLOT(updateColorMap()));
connect(sb, SIGNAL(activated(DoubleSpinBox *)), this, SLOT(spinBoxActivated(DoubleSpinBox *)));
table->setCellWidget(row, 0, sb);
QTableWidgetItem *it = new QTableWidgetItem(c.name());
// Avoid compiler warning
//#ifdef Q_CC_MSVC
it->setFlags(it->flags() & (~Qt::ItemIsEditable));
//#else
// it->setFlags(!Qt::ItemIsEditable);
//#endif
it->setBackground(QBrush(c));
it->setForeground(QBrush(c));
table->setItem(row, 1, it);
table->blockSignals(false);
enableButtons(table->currentRow());
updateColorMap();
}
void ContourLinesEditor::updateContents()
{
if (!d_spectrogram)
return;
QwtValueList levels = d_spectrogram->contourLevels ();
int rows = (int)levels.size();
table->setRowCount(rows);
table->blockSignals(true);
QwtDoubleInterval range = d_spectrogram->data().range();
for (int i = 0; i < rows; i++){
DoubleSpinBox *sb = new DoubleSpinBox();
sb->setLocale(d_locale);
sb->setDecimals(d_precision);
sb->setValue(levels[i]);
sb->setRange(range.minValue (), range.maxValue ());
connect(sb, SIGNAL(activated(DoubleSpinBox *)), this, SLOT(spinBoxActivated(DoubleSpinBox *)));
table->setCellWidget(i, 0, sb);
QPen pen = d_spectrogram->defaultContourPen();
if (pen.style() == Qt::NoPen)
pen = d_spectrogram->contourPen (levels[i]);
int width = 80;
int height = 20;
QPixmap pix(width, height);
pix.fill(Qt::white);
QPainter paint(&pix);
paint.setRenderHint(QPainter::Antialiasing);
paint.setPen(pen);
paint.drawLine(0, height/2, width, height/2);
paint.end();
QLabel *lbl = new QLabel();
lbl->setPixmap(pix);
table->setCellWidget(i, 1, lbl);
d_pen_list << pen;
}
table->blockSignals(false);
}
void ColorMapEditor::setColorMap(const QwtLinearColorMap& map)
{
scaleColorsBox->setChecked(map.mode() == QwtLinearColorMap::ScaledColors);
QwtArray <double> colors = map.colorStops();
int rows = (int)colors.size();
table->setRowCount(rows);
table->blockSignals(true);
QwtDoubleInterval range = QwtDoubleInterval(min_val, max_val);
for (int i = 0; i < rows; i++){
DoubleSpinBox *sb = new DoubleSpinBox();
sb->setLocale(d_locale);
sb->setDecimals(d_precision);
sb->setValue(min_val + colors[i] * range.width());
if (i == 0)
sb->setRange(min_val, min_val);
else if (i == rows -1)
sb->setRange(max_val, max_val);
else
sb->setRange(min_val, max_val);
connect(sb, SIGNAL(valueChanged(double)), this, SLOT(updateColorMap()));
connect(sb, SIGNAL(activated(DoubleSpinBox *)), this, SLOT(spinBoxActivated(DoubleSpinBox *)));
table->setCellWidget(i, 0, sb);
QColor c = QColor(map.rgb(QwtDoubleInterval(0, 1), colors[i]));
QTableWidgetItem *it = new QTableWidgetItem(c.name());
// Avoid compiler warning
//#ifdef Q_CC_MSVC
it->setFlags(it->flags() & (~Qt::ItemIsEditable));
//#else
// it->setFlags(!Qt::ItemIsEditable);
//#endif
it->setBackground(QBrush(c));
it->setForeground(QBrush(c));
table->setItem(i, 1, it);
}
table->blockSignals(false);
color_map = map;
}