from qtpy.QtWidgets import QCheckBox
from qtpy.QtCore import Property, QEvent
from qtpyvcp import hal
from qtpyvcp.widgets import HALWidget
from qtpyvcp.utilities.logger import getLogger
from qtpyvcp.plugins import getPlugin
LOG = getLogger(__name__)
STATUS = getPlugin('status')
[docs]class HalCheckBox(QCheckBox, HALWidget):
"""HAL CheckBox
CheckBox for displaying and setting `bit` HAL pin values.
.. table:: Generated HAL Pins
========================= ===== =========
HAL Pin Name Type Direction
========================= ===== =========
qtpyvcp.checkbox.enable bit in
qtpyvcp.checkbox.check bit in
qtpyvcp.checkbox.checked bit out
========================= ===== =========
"""
def __init__(self, parent=None):
super(HalCheckBox, self).__init__(parent)
self._enable_pin = None
self._check_pin = None
self._checked_pin = None
self.toggled.connect(self.onCheckedStateChanged)
[docs] def mousePressEvent(self, event):
# Test for UI LOCK and consume event but do nothing if LOCK in place
if STATUS.isLocked():
LOG.debug('Accept mouse Press Event')
event.accept()
return
super().mousePressEvent(event)
[docs] def mouseReleaseEvent(self, event):
if STATUS.isLocked():
LOG.debug('Accept mouse Release Event')
event.accept()
return
super().mouseReleaseEvent(event)
[docs] def keyPressEvent(self, event):
# Test for UI LOCK and consume event but do nothing if LOCK in place
if STATUS.isLocked():
LOG.debug('Accept keyPressEvent Event')
event.accept()
return
super().keyPressEvent(event)
[docs] def keyReleaseEvent(self, event):
# Test for UI LOCK and consume event but do nothing if LOCK in place
if STATUS.isLocked():
LOG.debug('Accept keyReleaseEvent Event')
event.accept()
return
super().keyReleaseEvent(event)
[docs] def changeEvent(self, event):
super(HalCheckBox, self).changeEvent(event)
if event == QEvent.EnabledChange and self._enable_pin is not None:
self._enable_pin.value = self.isEnabled()
def onCheckedStateChanged(self, checked):
if STATUS.isLocked():
LOG.debug('Skip HAL onCheckedStateChanged')
return
if self._checked_pin is not None:
self._checked_pin.value = checked
[docs] def initialize(self):
comp = hal.getComponent()
obj_name = self.getPinBaseName()
# add checkbox.enable HAL pin
self._enable_pin = comp.addPin(obj_name + ".enable", "bit", "in")
self._enable_pin.value = self.isEnabled()
self._enable_pin.valueChanged.connect(self.setEnabled)
# add checkbox.check HAL pin
self._check_pin = comp.addPin(obj_name + ".check", "bit", "in")
self._check_pin.value = self.isChecked()
self._check_pin.valueChanged.connect(self.setChecked)
# add checkbox.checked HAL pin
self._checked_pin = comp.addPin(obj_name + ".checked", "bit", "out")
self._checked_pin.value = self.isChecked()