Source code for qtpyvcp.widgets.hal_widgets.hal_lcd


from qtpy.QtWidgets import QLCDNumber
from qtpy.QtCore import Property

from qtpyvcp import hal
from qtpyvcp.widgets import HALWidget


[docs]class HalLCDNumber(QLCDNumber, HALWidget): """HAL LCD Number LCD Number for displaying `float` or `s32` HAL pin values. .. table:: Generated HAL Pins ===================== ========= ========= HAL Pin Name Type Direction ===================== ========= ========= qtpyvcp.lcd.in-i s32 in qtpyvcp.lcd.in-f float in ===================== ========= ========= """ def __init__(self, parent=None): super(HalLCDNumber, self).__init__(parent) self._in_pin = None self._enable_pin = None self._format = "%5.3f" self.setDigitCount(6) self.setSegmentStyle(QLCDNumber.Flat) self.setValue(0.0) def setValue(self, val): self.display(self._format % val) @Property(str) def numberFormat(self): return self._format @numberFormat.setter def numberFormat(self, fmt): self._format = fmt self.setValue(0)
[docs] def initialize(self): comp = hal.getComponent() obj_name = self.getPinBaseName() # add lcd-dro.in HAL pin self._in_pin = comp.addPin(obj_name + ".in-f", "float", "in") self.setValue(self._in_pin.value) self._in_pin.valueChanged.connect(self.setValue) # add lcd-dro.in HAL pin self._in_pin = comp.addPin(obj_name + ".in-i", "s32", "in") self.setValue(self._in_pin.value) self._in_pin.valueChanged.connect(self.setValue)