class DialWidget(QWidget):
valueChanged = pyqtSignal(float)
def __init__(self, manometer: AnalogItemType, parent=None):
super().__init__(parent=parent)
self.setFont(QFont('Segoi UI', FONT_SIZE))
self.setFixedWidth(DIAL_WIDTH)
self.setFixedHeight(DIAL_HEIGHT)
self.vbox = QVBoxLayout()
self.vbox.setContentsMargins(0, 0, 0, 0)
self.setLayout(self.vbox)
self.caption = QLabel(manometer.name)
self.caption.setFont(QFont('Segoi UI', FONT_SIZE))
self.caption.setAlignment(Qt.AlignCenter)
self.vbox.addWidget(self.caption)
self.dial = QDial()
self.vbox.addWidget(self.dial)
self.dial.setMinimum(0)
self.dial.setMaximum(round(manometer.eu_range.high * 100))
self.dial.setValue(0)
self.dial.setNotchTarget(2)
self.dial.setNotchesVisible(True)
self.spin_box = QDoubleSpinBox()
self.vbox.addWidget(self.spin_box)
self.spin_box.setMinimum(0)
self.spin_box.setMaximum(manometer.eu_range.high)
self.spin_box.setValue(0)
self.spin_box.setDecimals(2)
self.spin_box.setSingleStep(0.01)
self.spin_box.valueChanged.connect(self.on_spin_box_value_changed)
self.dial.valueChanged.connect(self.on_dial_value_changed)
self.valueChanged.connect(manometer.set_value)
@pyqtSlot(float)
def on_spin_box_value_changed(self, value: float):
v = round(value * 100)
self.dial.setValue(v)
self.emit_signal(value)
@pyqtSlot(int)
def on_dial_value_changed(self, value: int):
v = value / 100
self.spin_box.setValue(v)
self.emit_signal(v)
def emit_signal(self, value: float):
value_ofset = value - self.spin_box.minimum()
value_range = self.spin_box.maximum() - self.spin_box.minimum()
value_percent = value_ofset / value_range
signal = round(value_percent * 16000 + 4000)
self.valueChanged.emit(signal)
