def _init_font(self):
# There isn't a standard way of getting the system default monospace
# font in Qt4 (it was introduced in Qt5.2). If QFontDatabase.FixedFont
# exists, then we can assume that this functionality exists and ask for
# the correct font directly. Otherwise we ask for a font that doesn't
# exist and specify our requirements. Qt then finds an existing font
# that best matches our parameters.
if hasattr(QFontDatabase, "systemFont") and hasattr(
QFontDatabase, "FixedFont"):
font = QFontDatabase.systemFont(QFontDatabase.FixedFont)
else:
font = QFont("")
font.setFixedPitch(True)
font.setStyleHint(QFont.Monospace)
self.setFont(font)
def __init__(self,
file_name,
job_name,
job_number,
realization,
iteration,
parent=None):
super().__init__(parent)
self.setWindowTitle(
f"{job_name} # {job_number} "
f"Realization: {realization} Iteration: {iteration}")
try:
self._file = open(file_name, "r")
except OSError as error:
self._mb = QMessageBox(
QMessageBox.Critical,
"Error opening file",
error.strerror,
QMessageBox.Ok,
self,
)
self._mb.finished.connect(self.accept)
self._mb.show()
return
self._view = QPlainTextEdit()
self._view.setReadOnly(True)
self._view.setWordWrapMode(QTextOption.NoWrap)
# for moving the actual slider
self._view.verticalScrollBar().sliderMoved.connect(self._update_cursor)
# for mouse wheel and keyboard arrows
self._view.verticalScrollBar().valueChanged.connect(
self._update_cursor)
self._view.setFont(QFontDatabase.systemFont(QFontDatabase.FixedFont))
self._follow_mode = False
self._init_layout()
self._init_thread()
self.show()
def __init__(self,
port: str = None,
baudrate: int = None,
address: int = None):
super().__init__()
#
# Main window UI
#
logging.debug("Initializing MainWindow from mainwindow.ui")
self.ui = loadUi(dirname(__file__) + "/mainwindow.ui", self)
logging.debug("Configuring fixed font for labels")
font = QFontDatabase.systemFont(QFontDatabase.FixedFont)
font.setBold(True)
font.setPointSize(36)
self.ui.voltageInput.setFont(font)
self.ui.voltageOutput.setFont(font)
self.ui.currentOutput.setFont(font)
self.ui.powerOutput.setFont(font)
logging.debug("Resizing widgets and window to minimum size")
self.adjustSize()
self.resize(self.minimumSize())
#
# Default value definitions
#
# Precition output formats
# Display formats on real devices
# Model V I P-on<99W P-on>99W
# RD6006P 00.000 0.0000 00.000 000.00
# RD6006 00.00 0.000 00.00 000.0
# RD6012 00.00 00.00 00.00 000.0
# RD6018 00.00 00.00 00.00 000.0
logging.debug("Defining default value definitions")
self.default_voltage_input_format = "%05.2f"
self.default_voltage_output_format = "%05.2f"
self.default_current_output_format = "%05.2f"
self.default_power_output_format = "%6.2f"
self.default_voltage_max = 61.0
self.default_current_max = 0.0
#
# QSettings & Setting variables
#
logging.debug("Initializing QSettings")
self.settings = QSettings("ShayBox", "RidenGUI")
if self.settings.value("first-run", 1) == 1:
logging.debug("First run detected, showing settings wizard")
SettingsWizard(self.settings, self).exec()
exit(0)
logging.debug("Loading custom format strings from settings")
self.voltage_input_format = self.settings.value(
"format/voltage-input", self.default_voltage_input_format)
self.voltage_output_format = self.settings.value(
"format/voltage-output", self.default_voltage_output_format)
self.current_output_format = self.settings.value(
"format/current-output", self.default_current_output_format)
self.power_output_format = self.settings.value(
"format/power-output", self.default_power_output_format)
logging.debug("Loading custom stylesheets from settings")
self.output_on = self.settings.value(
"style/output-on-bg") + self.settings.value("style/output-on-text")
self.output_off = self.settings.value(
"style/output-off-bg") + self.settings.value(
"style/output-off-text")
self.output_fault = self.settings.value(
"style/output-fault-bg") + self.settings.value(
"style/output-fault-text")
#
# Riden
#
logging.debug("Initializing Riden library")
self.r = Riden(
port=port or self.settings.value("serial/port", "/dev/ttyUSB0"),
baudrate=baudrate
or int(self.settings.value("serial/baudrate", 115200)),
address=address or int(self.settings.value("serial/address", 1)),
)
logging.debug("Defining temporary variables for live feedback")
self.prev_v_set = self.r.v_set
self.prev_i_set = self.r.i_set
#
# Dynamic value definitions
#
logging.debug("Defining dynamic value definitions")
if self.r.type == "RD6012":
self.default_voltage_output_format = "%05.3f"
self.default_current_output_format = "%05.4f"
self.default_power_output_format = "%6.3f"
self.default_current_max = 6.1
elif self.r.type == "RD6006":
self.default_current_output_format = "%04.3f"
self.default_current_max = 6.1
elif self.r.type == "RD6012":
self.default_current_max = 12.1
elif self.r.type == "RD6018":
self.default_current_max = 18.1
elif self.r.type == "RD6024":
self.default_current_max = 24.1
#
# Qt Slots, Signals, and Messages
#
logging.debug("Connecting signals and slots")
self.connect_signals()
logging.debug("Setting permenant statusbar message")
self.ui.statusbar.showMessage(
"Connected to %s using %s at %s baud | FW: %s | SN: %s" % (
self.r.type,
self.r.serial.port,
self.r.serial.baudrate,
self.r.fw,
self.r.sn,
))
#
# Background worker
#
logging.debug("Starting worker thread")
self.worker = Worker(self.r, self.settings, self)
self.worker.update.connect(self.worker_signal)
self.worker.start()
