vna.cpp - cosmetic change

siunitedit.cpp - keep text onFocus
tracewidget.cpp - invalid index or empty list
This commit is contained in:
Zoran Kostic 2020-11-23 03:32:18 +01:00
parent 53e587b4b8
commit 0e2395cf55
3 changed files with 25 additions and 8 deletions

View File

@ -5,6 +5,7 @@
#include <QEvent>
#include <QKeyEvent>
#include <QDebug>
#include <QTimer>
SIUnitEdit::SIUnitEdit(QString unit, QString prefixes, int precision, QWidget *parent)
: QLineEdit(parent)
@ -83,6 +84,16 @@ bool SIUnitEdit::eventFilter(QObject *, QEvent *event)
} else if(event->type() == QEvent::FocusOut) {
parseNewValue(1.0);
emit focusLost();
} else if(event->type() == QEvent::FocusIn) {
// online found clumsy way to select all text when clicked!?!
// just selectAll() alone does _not_ work!
QTimer::singleShot(0, this, &QLineEdit::selectAll);
/*
* However, this widget does not loose focus when clicking on a smith chart from here
* At the same time, clicking on x-y plot does loose focus as expected
* This behaviour existed before this mod, but it was not obvious due to properties of placeholdertext
*/
}
return false;
}
@ -91,7 +102,8 @@ void SIUnitEdit::setValueQuiet(double value)
{
_value = value;
clear();
setPlaceholderText(Unit::ToString(value, unit, prefixes, precision));
setPlaceholderText(Unit::ToString(value, unit, prefixes, precision)); // didn't remove it because maybe needed elsewhere
setText(Unit::ToString(value, unit, prefixes, precision)); // because selectAll() only affects setText() (placeholder text is igonred)
}
void SIUnitEdit::parseNewValue(double factor)
@ -118,7 +130,7 @@ void SIUnitEdit::parseNewValue(double factor)
} else {
qWarning() << "SIUnit conversion failure:" << input;
}
clear();
// clear(); // removed due to funny behaviour when clicking repeatedly between start, center, span, stop, but without editing anything
}
}

View File

@ -36,7 +36,11 @@ void TraceWidget::on_add_clicked()
void TraceWidget::on_remove_clicked()
{
model.removeTrace(ui->view->currentIndex().row());
QModelIndex index = ui->view->currentIndex();
if (index.isValid()) { // if nothing clicked, index.row() = -1
model.removeTrace(index.row());
// otherwise, TraceModel casts index to unsigned int and compares with traces.size() which is int
};
}
bool TraceWidget::eventFilter(QObject *, QEvent *event)

View File

@ -171,9 +171,10 @@ VNA::VNA(AppWindow *window)
// Sweep toolbar
int wid = 80; // propose slight reduction, to fit more widgets comfortably
auto tb_sweep = new QToolBar("Sweep");
auto eStart = new SIUnitEdit("Hz", " kMG", 6);
eStart->setFixedWidth(100);
eStart->setFixedWidth(wid);
eStart->setToolTip("Start frequency");
connect(eStart, &SIUnitEdit::valueChanged, this, &VNA::SetStartFreq);
connect(this, &VNA::startFreqChanged, eStart, &SIUnitEdit::setValueQuiet);
@ -181,7 +182,7 @@ VNA::VNA(AppWindow *window)
tb_sweep->addWidget(eStart);
auto eCenter = new SIUnitEdit("Hz", " kMG", 6);
eCenter->setFixedWidth(100);
eCenter->setFixedWidth(wid);
eCenter->setToolTip("Center frequency");
connect(eCenter, &SIUnitEdit::valueChanged, this, &VNA::SetCenterFreq);
connect(this, &VNA::centerFreqChanged, eCenter, &SIUnitEdit::setValueQuiet);
@ -189,7 +190,7 @@ VNA::VNA(AppWindow *window)
tb_sweep->addWidget(eCenter);
auto eStop = new SIUnitEdit("Hz", " kMG", 6);
eStop->setFixedWidth(100);
eStop->setFixedWidth(wid);
eStop->setToolTip("Stop frequency");
connect(eStop, &SIUnitEdit::valueChanged, this, &VNA::SetStopFreq);
connect(this, &VNA::stopFreqChanged, eStop, &SIUnitEdit::setValueQuiet);
@ -197,7 +198,7 @@ VNA::VNA(AppWindow *window)
tb_sweep->addWidget(eStop);
auto eSpan = new SIUnitEdit("Hz", " kMG", 6);
eSpan->setFixedWidth(100);
eSpan->setFixedWidth(wid);
eSpan->setToolTip("Span");
connect(eSpan, &SIUnitEdit::valueChanged, this, &VNA::SetSpan);
connect(this, &VNA::spanChanged, eSpan, &SIUnitEdit::setValueQuiet);
@ -225,7 +226,7 @@ VNA::VNA(AppWindow *window)
// Acquisition toolbar
auto tb_acq = new QToolBar("Acquisition");
auto dbm = new QDoubleSpinBox();
dbm->setFixedWidth(95);
dbm->setFixedWidth(80); // propose slight reduction, to fit more widgets when App not maximized
dbm->setRange(-100.0, 100.0);
dbm->setSingleStep(0.25);
dbm->setSuffix("dbm");