def initUI(self):
dial = QDial()
dial.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
dial.setNotchesVisible(True)
dial.setMinimum(self.value_min)
dial.setMaximum(self.value_max)
dial.setValue(self.value_old)
dial.valueChanged.connect(lambda: self.dialer_changed(dial, label))
label = QLabel()
self.disp_value(label, self.value_old)
vbox = QVBoxLayout()
vbox.addWidget(dial)
vbox.addWidget(label)
self.setLayout(vbox)
self.show()
class UhrWindow(QDialog):
"""Uhr dialog menu with dial"""
def __init__(self, master, uhr_position):
"""
Uhr plugboard device
:param master: Qt parent widget
:param uhr_position: {callable} Sets the indicator to the current
uhr position (if any)
"""
super().__init__(master)
# QT WINDOW SETTINGS ===================================================
self.setWindowTitle("Uhr")
self.setFixedSize(300, 400)
main_layout = QVBoxLayout(self)
self.setLayout(main_layout)
# UHR POSITION DIAL ====================================================
self.__indicator = QLabel("00")
self.__indicator.setStyleSheet(
"font-size: 20px; text-align: center; background-color: white")
self.__indicator.setFrameStyle(QFrame.Panel | QFrame.Sunken)
self.__indicator.setFixedSize(40, 40)
self.__indicator.setLineWidth(2)
self.__dial = QDial()
self.__dial.setWrapping(True)
self.__dial.setRange(0, 39)
self.__dial.setFixedSize(280, 280)
self.__dial.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
position = 0
try:
position = uhr_position()
logging.info("Successfully loaded Uhr position %d from plug...",
position)
except ValueError:
logging.info(
"Failed loading Uhr position from plug, setting to 0...")
self.__dial.setValue(position)
self.__old_position = position
self.__indicator.setText("%02d" % position)
self.__dial.valueChanged.connect(self.refresh_indicator)
# BUTTONS ==============================================================
apply_btn = QPushButton("Apply")
apply_btn.clicked.connect(self.apply)
storno_btn = QPushButton("Storno")
storno_btn.clicked.connect(self.storno)
btn_frame = QFrame(self)
btn_layout = QHBoxLayout(btn_frame)
# SHOW WIDGETS =========================================================
btn_layout.addWidget(storno_btn)
btn_layout.addWidget(apply_btn)
main_layout.addWidget(btn_frame)
main_layout.addWidget(self.__indicator, alignment=Qt.AlignHCenter)
main_layout.addWidget(self.__dial, alignment=Qt.AlignHCenter)
main_layout.addWidget(btn_frame)
def refresh_indicator(self):
"""Sets displayed indicator value to current dial value"""
self.__indicator.setText("%02d" % self.__dial.value())
def position(self):
"""Returns current Uhr dial setting"""
return self.__dial.value()
def apply(self):
"""Sets currently selected position to be collected when applying settings"""
self.__old_position = self.__dial.value()
logging.info("New Uhr position %d applied, closing...",
self.__old_position)
self.close()
def storno(self):
"""Undoes current changes"""
logging.info("Storno, reverting to old position %d...",
self.__old_position)
self.__dial.setValue(self.__old_position)
self.close()
