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):
"""Number Format Property
Args:
fmt (str) : A valid python style format string. Defaults to ``%i``.
"""
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)