HAL - Connections To UI Elements

""" HAL Button ---------- Button for setting `bit` HAL pin values. .. table:: Generated HAL Pins ========================= ===== ========= HAL Pin Name Type Direction ========================= ===== ========= qtpyvcp.button.enable bit in qtpyvcp.button.out bit out ========================= ===== ========= """ """ Added btnAsIndicator Setup for HalButton to act as an indicator vs button You will need to set a stylesheet property for how the indicator will appear when checked for each HalButton Instance used. Example: HalButton:checked{ background-color: rgb(0,190,0); font: 12pt "Ubuntu"; border-color: rgb(83, 83, 83); border-radius: 7px; color: white; } HalButton{ background-color: rgb(17, 0, 30); font: 12pt "Ubuntu"; border-color: rgb(83, 83, 83); border-radius: 7px; color: white; } """ from qtpy.QtCore import Property, QTimer from qtpy.QtWidgets import QPushButton from qtpyvcp import hal from qtpyvcp.widgets import HALWidget class HalButton(QPushButton, HALWidget): """HAL Button""" def __init__(self, parent=None): super(HalButton, self).__init__(parent) self.setText("HAL Button") self._enable_pin = None self._pressed_pin = None self._checked_pin = None self._pulse = False self._pulse_duration = 100 self.pulse_timer = None """ Additonal Variable Added """ # Used to initalize the value of the btnAsIndicator BOOL self._indicator = False self.pressed.connect(self.onPress) self.released.connect(self.onRelease) self.toggled.connect(self.onCheckedStateChanged) def onPress(self): if self._pressed_pin is not None: self._pressed_pin.value = True if self._pulse: self.pulse_timer.start(self._pulse_duration) def onRelease(self): if self._pressed_pin is not None: self._pressed_pin.value = False def onCheckedStateChanged(self, checked): if self._checked_pin is not None: self._checked_pin.value = checked @Property(bool) def pulseOnPress(self): """If active, when the button is pressed the ``out`` pin will be `True` for :class:`.pulseDuration` ms, otherwise the ``out`` pin will be `True` for the duration of the button press. """ return self._pulse @pulseOnPress.setter def pulseOnPress(self, pulse): self._pulse = pulse """ Add Property btnAsIndicator """ # Will be present as a HalButton Property @Property(bool) def btnAsIndicator(self): return self._indicator """ Setter for new Property """ # Set btnAsIndicator variable to True or False based on property selection @btnAsIndicator.setter def btnAsIndicator(self, indicator): self._indicator = indicator @Property(int) def pulseDuration(self): """Pulse duration in ms used when :class:`.pulseOnPress` is active.""" return self._pulse_duration @pulseDuration.setter def pulseDuration(self, duration): self._pulse_duration = duration def initialize(self): comp = hal.COMPONENTS['qtpyvcp'] obj_name = str(self.objectName()).replace('_', '-') """ NO CHANGE """ # add button.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 button.out HAL pin """ Decide Button Type Out or Indicator """ # Must bypass setting if no output is required as with an Indicator if not self._indicator: self._pressed_pin = comp.addPin(obj_name + ".out", "bit", "out") """ MAGIC """ # Here we decide how to handle the Out or Indicator Question??? # add checkbox.checked HAL pin ### If the btnAsIndicator Property is NOT checked then it's an Output if not self._indicator: self._checked_pin = comp.addPin(obj_name + ".checked", "bit", "out") self._checked_pin.value = self.isChecked() else: # Connect the setChecked method to the HalButton and change from out to in. # notice the change to addPin(obj_name + ".checked", "bit", "in") # vs addPin(obj_name + ".checked", "bit", "out") self._checked_pin = comp.addPin(obj_name + ".checked", "bit", "in") self._checked_pin.value = self.isChecked() # Set the button to checked self._checked_pin.valueChanged.connect(self.setChecked) if self._pulse: self.pulse_timer = QTimer() self.pulse_timer.setSingleShot(True) self.pulse_timer.timeout.connect(self.onRelease)

HalLabel:enabled{ background-color: rgb(0,190,0); font: 12pt "Ubuntu"; border-color: rgb(83, 83, 83); border-radius: 7px; color: white; } HalLabel{ background-color: rgb(17, 0, 30); font: 12pt "Ubuntu"; border-color: rgb(83, 83, 83); border-radius: 7px; color: white; }

HalLabel:enabled[indicator="true"]{ background-color: rgb(0,190,0); font: 12pt "Ubuntu"; border-color: rgb(83, 83, 83); border-radius: 7px; color: white; } HalLabel[indicator="true"]{ background-color: rgb(17, 0, 30); font: 12pt "Ubuntu"; border-color: rgb(83, 83, 83); border-radius: 7px; color: white; }