def __init__(self, settings: QSettings) -> None:
QGroupBox.__init__(self)
_ChannelSettings.__init__(self)
self.setTitle(
self.tr('Enabled'
)) # cannot use `tr` in `__init__` parameters with PySide2
self.settings: QSettings = settings
settings_length: Final[int] = self.settings.beginReadArray(
'channelSettings')
self._index: Final[int] = ChannelSettings._count
self.settings.setArrayIndex(self._index)
self.setCheckable(True)
try:
self.setChecked(
self._count < settings_length
and cast(bool, self.settings.value('enabled', False, bool)))
except SystemError:
self.setChecked(False)
self.toggled.connect(self.on_toggled)
self.combo_range: ComboBox = ComboBox(self,
items={
self.tr('±10 V'): 0,
self.tr('±5 V'): 1,
self.tr('±2 V'): 2,
self.tr('±1 V'): 3,
self.tr('±0.5 V'): 4,
self.tr('±0.2 V'): 5
})
try:
if self._count < settings_length:
self.combo_range.setValue(self.settings.value('range', 0, int))
except SystemError:
pass
self.combo_range.currentIndexChanged.connect(
self.on_combo_range_changed)
self.range = self.combo_range.value()
self.combo_mode: ComboBox = ComboBox(
self,
items={
self.tr('Differential'): 0,
self.tr('Channels 1 to 16 with common GND'): 1,
self.tr('Channels 16 to 32 with common GND'): 2,
self.tr('Grounded ADC'): 3
})
try:
if self._count < settings_length:
self.combo_mode.setValue(self.settings.value('mode', 0, int))
except SystemError:
pass
self.combo_mode.currentIndexChanged.connect(self.on_combo_mode_changed)
self.mode = self.combo_mode.value()
self.spin_channel: QSpinBox = QSpinBox(self)
if self.mode == 2:
self.spin_channel.setRange(17, 32)
else:
self.spin_channel.setRange(1, 16)
try:
if self._count < settings_length:
self.spin_channel.setValue(
cast(int, self.settings.value('channel', 0, int)) + 1)
except SystemError:
pass
self.spin_channel.valueChanged.connect(self.on_spin_channel_changed)
self.physical_channel = self.spin_channel.value() - 1
self.spin_averaging: QSpinBox = QSpinBox(self)
self.spin_averaging.setRange(1, 128)
try:
if self._count < settings_length:
self.spin_averaging.setValue(
cast(int, self.settings.value('averaging', 1, int)))
except SystemError:
pass
self.spin_averaging.valueChanged.connect(
self.on_spin_averaging_changed)
self.averaging = self.spin_averaging.value()
self.setLayout(QFormLayout())
layout: QFormLayout = cast(QFormLayout, self.layout())
layout.addRow(self.tr('Range:'), self.combo_range)
layout.addRow(self.tr('Channel:'), self.spin_channel)
layout.addRow(self.tr('Mode:'), self.combo_mode)
layout.addRow(self.tr('Averaging:'), self.spin_averaging)
r: int
for r in range(layout.rowCount()):
layout.itemAt(
r, QFormLayout.ItemRole.LabelRole).widget().setSizePolicy(
QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding)
layout.itemAt(
r, QFormLayout.ItemRole.LabelRole).widget().setAlignment(
Qt.AlignmentFlag.AlignLeft
| Qt.AlignmentFlag.AlignVCenter)
self.settings.endArray()
ChannelSettings._count += 1