Source code for qtpyvcp.widgets.hal_widgets.hal_double_spinbox

"""
HAL DoubleSpinBox
-----------------

DoubleSpinBox for displaying and setting `float` HAL pin values.

.. table:: Generated HAL Pins

    ========================= ========= =========
    HAL Pin Name              Type      Direction
    ========================= ========= =========
    qtpyvcp.spinbox.enable    bit       in
    qtpyvcp.spinbox.in        float     in
    qtpyvcp.spinbox.out       float     out
    ========================= ========= =========
"""

from qtpy.QtWidgets import QDoubleSpinBox
from qtpy.QtCore import QEvent

from qtpyvcp import hal
from qtpyvcp.widgets import HALWidget


[docs]class HalDoubleSpinBox(QDoubleSpinBox, HALWidget): """HAL DoubleSpinBox""" def __init__(self, parent=None): super(HalDoubleSpinBox, self).__init__(parent) self._value_pin = None self._enabled_pin = None self._signed_int = True self.valueChanged.connect(self.onCheckedStateChanged) def changeEvent(self, event): super(HalDoubleSpinBox, self).changeEvent(event) if event == QEvent.EnabledChange and self._enabled_pin is not None: self._enabled_pin.value = self.isEnabled() def onCheckedStateChanged(self, checked): if self._value_pin is not None: self._value_pin.value = checked def initialize(self): comp = hal.COMPONENTS['qtpyvcp'] obj_name = str(self.objectName()).replace('_', '-') # add spinbox.enabled HAL pin self._enabled_pin = comp.addPin(obj_name + ".enable", "bit", "in") self._enabled_pin.value = self.isEnabled() self._enabled_pin.valueChanged.connect(self.setEnabled) # add spinbox.checked HAL pin self._value_pin = comp.addPin(obj_name + ".out", "float", "out") self._value_pin.value = self.value() # add spinbox.checked HAL pin self._set_value_pin = comp.addPin(obj_name + ".in", "float", "in") self._set_value_pin.valueChanged.connect(self.setValue)