def update_band(self, apply: bool = False):
logger.debug("update_band(%s)", apply)
index_start = self.band_list.model().index(
self.band_list.currentIndex(), 1)
index_stop = self.band_list.model().index(
self.band_list.currentIndex(), 2)
start = int(self.band_list.model().data(
index_start, QtCore.Qt.ItemDataRole).value())
stop = int(self.band_list.model().data(index_stop,
QtCore.Qt.ItemDataRole).value())
if self.padding > 0:
span = stop - start
start -= round(span * self.padding / 100)
start = max(1, start)
stop += round(span * self.padding / 100)
self.band_label.setText(f"Sweep span: {format_frequency_short(start)}"
f" to {format_frequency_short(stop)}")
if not apply:
return
self.app.sweep_control.input_start.setText(
format_frequency_sweep(start))
self.app.sweep_control.input_end.setText(format_frequency_sweep(stop))
self.app.sweep_control.input_end.textEdited.emit(
self.app.sweep_control.input_end.text())
def setBandSweep(self):
index_start = self.band_list.model().index(
self.band_list.currentIndex(), 1)
index_stop = self.band_list.model().index(
self.band_list.currentIndex(), 2)
start = int(self.band_list.model().data(
index_start, QtCore.Qt.ItemDataRole).value())
stop = int(self.band_list.model().data(index_stop,
QtCore.Qt.ItemDataRole).value())
if self.band_pad_10.isChecked():
padding = 10
elif self.band_pad_25.isChecked():
padding = 25
elif self.band_pad_100.isChecked():
padding = 100
else:
padding = 0
if padding > 0:
span = stop - start
start -= round(span * padding / 100)
start = max(1, start)
stop += round(span * padding / 100)
self.app.sweepStartInput.setText(format_frequency_sweep(start))
self.app.sweepEndInput.setText(format_frequency_sweep(stop))
self.app.sweepEndInput.textEdited.emit(self.app.sweepEndInput.text())
def test_basicIntegerValues(self):
# simple well-formed integers with no trailing zeros. Most importantly
# there is no loss of accuracy in the result. Returned values are not
# truncated if result would lose meaningful data.
self.assertEqual(format_frequency_sweep(1), '1Hz')
self.assertEqual(format_frequency_sweep(12), '12Hz')
self.assertEqual(format_frequency_sweep(1234), '1.234kHz')
self.assertEqual(format_frequency_sweep(12345), '12.345kHz')
self.assertEqual(format_frequency_sweep(123456), '123.456kHz')
self.assertEqual(format_frequency_sweep(123), '123Hz')
self.assertEqual(format_frequency_sweep(1234567), '1.234567MHz')
self.assertEqual(format_frequency_sweep(12345678), '12.345678MHz')
self.assertEqual(format_frequency_sweep(123456789), '123.456789MHz')
def set_span(self, span: int):
self.input_span.setText(format_frequency_sweep(span))
self.input_span.textEdited.emit(self.input_span.text())
self.updated.emit(self)
def set_center(self, center: int):
self.input_center.setText(format_frequency_sweep(center))
self.input_center.textEdited.emit(self.input_center.text())
self.updated.emit(self)
def set_end(self, end: int):
self.input_end.setText(format_frequency_sweep(end))
self.input_end.textEdited.emit(self.input_end.text())
self.updated.emit(self)
def set_start(self, start: int):
self.input_start.setText(format_frequency_sweep(start))
self.input_start.textEdited.emit(self.input_start.text())
self.updated.emit(self)
