class WheelBox(QWidget):
valueChanged = pyqtSignal('double', name="valueChanged")
def __init__(self, title, min, max, stepSize, parent):
super().__init__(parent)
self.__d_number = QLCDNumber(self)
self.__d_number.setSegmentStyle(QLCDNumber.Filled)
self.__d_number.setAutoFillBackground(True)
self.__d_number.setFixedHeight(self.__d_number.sizeHint().height() * 2)
self.__d_number.setFocusPolicy(Qt.WheelFocus)
pal = QPalette(Qt.black)
pal.setColor(QPalette.WindowText, Qt.green)
self.__d_number.setPalette(pal)
self.__d_wheel = Wheel(self)
self.__d_wheel.setOrientation(Qt.Vertical)
self.__d_wheel.setInverted(True)
self.__d_wheel.setRange(min, max)
self.__d_wheel.setSingleStep(stepSize)
self.__d_wheel.setPageStepCount(5)
self.__d_wheel.setFixedHeight(self.__d_number.height())
self.__d_number.setFocusProxy(self.__d_wheel)
font = QFont("Helvetica", 10)
font.setBold(True)
self.__d_label = QLabel(title, self)
self.__d_label.setFont(font)
hLayout = QHBoxLayout()
hLayout.setContentsMargins(0, 0, 0, 0)
hLayout.setSpacing(2)
hLayout.addWidget(self.__d_number, 10)
hLayout.addWidget(self.__d_wheel)
vLayout = QVBoxLayout(self)
vLayout.addLayout(hLayout, 10)
vLayout.addWidget(self.__d_label, 0, Qt.AlignTop | Qt.AlignHCenter)
self.__d_wheel.valueChanged.connect(self.display)
self.__d_wheel.valueChanged.connect(self.valueChanged)
def display(self, value):
self.__d_number.display(value)
def theme(self):
return self.__d_wheel.palette().color(QPalette.Window)
def setTheme(self, color):
self.__d_wheel.setPalette(QPalette(color))
def setValue(self, value):
self.__d_wheel.setValue(value)
self.__d_number.display(value)
def value(self):
return self.__d_wheel.value()
theme = pyqtProperty(QColor, theme, setTheme)
