class MainView(QMainWindow):
applicationClosed = Signal()
def __init__(self):
super().__init__()
menuBar = self.menuBar()
menuBar.addMenu(self.createFileMenu())
menuBar.addMenu(self.createSettingsMenu())
menuBar.addMenu(self.createHelpMenu())
self.statusBar().showMessage("Ready")
connectionStatusGroupBox = self.createConnectionStatusGroup()
positionIndicationGroupBox = self.createPositionIndicationGroup()
turnTableControlGroupBox = self.createTurnTableControlGroup()
mainWidgetLayout = QVBoxLayout()
mainWidgetLayout.addWidget(connectionStatusGroupBox)
mainWidgetLayout.addWidget(positionIndicationGroupBox)
mainWidgetLayout.addWidget(turnTableControlGroupBox)
mainWidgetGroup = QGroupBox()
mainWidgetGroup.setLayout(mainWidgetLayout)
self.setCentralWidget(mainWidgetGroup)
#------------------------------------------------------------------------------
# Interface Creation Helper Functions
#------------------------------------------------------------------------------
def createFileMenu(self):
self.loadZeroPositionDataAction = QAction("Load Zero Position", self)
self.saveZeroPositionDataAction = QAction("Save Zero Position", self)
exitAction = QAction(
"E&xit",
self,
shortcut="Ctrl+Q",
statusTip="Exit the application",
triggered=self.close
)
fileMenu = QMenu("File")
fileMenu.addAction(self.loadZeroPositionDataAction)
fileMenu.addAction(self.saveZeroPositionDataAction)
fileMenu.addSeparator()
fileMenu.addAction(exitAction)
return fileMenu
def createSettingsMenu(self):
self.applicationSettingsAction = QAction("Settings", self)
settingsManagerMenu = QMenu("Settings")
settingsManagerMenu.addAction(self.applicationSettingsAction)
return settingsManagerMenu
def createHelpMenu(self):
helpViewAction = QAction("Help", self)
aboutViewAction = QAction("About", self)
helpMenu = QMenu("Help")
helpMenu.addAction(helpViewAction)
helpMenu.addAction(aboutViewAction)
return helpMenu
def createPositionIndicationGroup(self):
self.currentPositionLineEdit = createReadOnlyLineEdit("+0.000")
self.targetPositionLineEdit = createReadOnlyLineEdit("+0.000")
self.positionErrorLineEdit = createReadOnlyLineEdit("+0.000")
self.setCurrentPositionAsZeroButton = QPushButton("Set As Zero")
self.resetZeroPositionButton = QPushButton("Reset Zero")
positionInformationLayout = QGridLayout()
positionInformationLayout.addWidget(createPositionLabel("Current"), 0, 0)
positionInformationLayout.addWidget(createPositionLabel("Target"), 0, 1)
positionInformationLayout.addWidget(createPositionLabel("Error"), 0, 2)
positionInformationLayout.addWidget(self.currentPositionLineEdit, 1, 0)
positionInformationLayout.addWidget(self.targetPositionLineEdit, 1, 1)
positionInformationLayout.addWidget(self.positionErrorLineEdit, 1, 2)
positionInformationLayout.addWidget(self.setCurrentPositionAsZeroButton, 2, 0)
positionInformationLayout.addWidget(self.resetZeroPositionButton, 3, 0)
positionGroupBox = QGroupBox("Azimuth")
positionGroupBox.setLayout(positionInformationLayout)
return positionGroupBox
def createTurnTableControlGroup(self):
self.gotoPositionSpinBox = createDoubleSpinBox()
self.stepSizeSpinBox = createDoubleSpinBox()
self.goPushButton = QPushButton("Go")
self.goPushButton.setEnabled(False)
self.goPushButton.setShortcut(QKeySequence(Qt.CTRL + Qt.Key_G))
self.stepPushButton = QPushButton("Step")
self.stepPushButton.setEnabled(False)
self.stepPushButton.setShortcut(QKeySequence(Qt.CTRL + Qt.Key_S))
self.enableSteppingCheckBox = QCheckBox("Enable Stepping")
self.enableSteppingCheckBox.setEnabled(False)
self.enableSteppingCheckBox.clicked.connect(self.stepPushButton.setEnabled)
self.stopPushButton = QPushButton("STOP")
self.stopPushButton.setEnabled(False)
self.stopPushButton.pressed.connect(lambda: self.motorVoltageSlider.setValue(0.000))
self.stopPushButton.setShortcut(QKeySequence(Qt.CTRL + Qt.Key_T))
turnTableVoltageControlGroup = self.createTurnTableVoltageControlGroup()
turnTableControlGridLayout = QGridLayout()
turnTableControlGridLayout.addWidget(QLabel("Go To Position:"), 0, 0)
turnTableControlGridLayout.addWidget(self.gotoPositionSpinBox, 0, 1)
turnTableControlGridLayout.addWidget(self.goPushButton, 0, 2)
turnTableControlGridLayout.addWidget(QLabel("Step Size:"), 1, 0)
turnTableControlGridLayout.addWidget(self.stepSizeSpinBox, 1, 1)
turnTableControlGridLayout.addWidget(self.stepPushButton, 1, 2)
turnTableControlGridLayout.addWidget(self.enableSteppingCheckBox, 1, 3)
turnTableControlGridLayout.addWidget(self.stopPushButton, 2, 3)
turnTableControlGridLayout.addWidget(turnTableVoltageControlGroup, 3, 0, 3, 4)
turnTableGroupBox = QGroupBox("Turn Table Controls")
turnTableGroupBox.setLayout(turnTableControlGridLayout)
return turnTableGroupBox
def createTurnTableVoltageControlGroup(self):
self.motorVoltageSlider = DoubleSlider(orientation=Qt.Orientation.Horizontal)
self.motorVoltageSlider.setTickPosition(QSlider.TickPosition.TicksBothSides)
self.motorVoltageSlider.setTickInterval(200)
self.motorVoltageSlider.setEnabled(False)
self.motorVoltageSliderValueSpinBox = createDoubleSpinBox()
self.motorVoltageSliderValueSpinBox.setEnabled(False)
self.motorVoltageSliderValueSpinBox.valueChanged.connect(self.motorVoltageSlider.setValue)
self.motorVoltageSlider.doubleValueChanged.connect(self.motorVoltageSliderValueSpinBox.setValue)
self.resetVoltageButton = QPushButton("Reset")
self.resetVoltageButton.setEnabled(False)
self.resetVoltageButton.setShortcut(QKeySequence(Qt.CTRL + Qt.Key_R))
self.resetVoltageButton.pressed.connect(lambda: self.motorVoltageSlider.setValue(0.000))
sliderGridLayout = QGridLayout()
sliderGridLayout.addWidget(QLabel("Min Voltage"), 0, 0, 1, 1)
sliderGridLayout.addWidget(QLabel("Max Voltage"), 0, 4, 1, 1)
sliderGridLayout.addWidget(self.motorVoltageSlider, 1, 0, 1, 5)
sliderGridLayout.addWidget(self.motorVoltageSliderValueSpinBox, 2, 1, 1, 1)
sliderGridLayout.addWidget(self.resetVoltageButton, 2, 4, 1, 1)
voltageControlGroupBox = QGroupBox()
voltageControlGroupBox.setLayout(sliderGridLayout)
return voltageControlGroupBox
def createConnectionStatusGroup(self):
connectionStatusGroup = QGroupBox("Connection Status")
self.shaftEncoderConnectionStatusLineEdit = createReadOnlyLineEdit("Disconnected")
self.motorControllerConnectionStatusLineEdit = createReadOnlyLineEdit("Disconnected")
self.watchDogConnectionStatusLineEdit = createReadOnlyLineEdit("Disconnected")
self.tcpServerConnectionStatusLineEdit = createReadOnlyLineEdit("Disconnected")
self.connectButton = QPushButton("Connect")
self.disconnectButton = QPushButton("Disconnect")
self.disconnectButton.setEnabled(False)
connectionButtonLayout = QHBoxLayout()
connectionButtonLayout.addWidget(self.connectButton)
connectionButtonLayout.addWidget(self.disconnectButton)
connectionStatusLayout = QFormLayout()
connectionStatusLayout.addRow(QLabel("Shaft Encoder: "), self.shaftEncoderConnectionStatusLineEdit)
connectionStatusLayout.addRow(QLabel("Motor Controller: "), self.motorControllerConnectionStatusLineEdit)
connectionStatusLayout.addRow(QLabel("Watchdog: "), self.watchDogConnectionStatusLineEdit)
connectionStatusLayout.addRow(QLabel("TCP Server: "), self.tcpServerConnectionStatusLineEdit)
connectionStatusLayout.addRow(connectionButtonLayout)
connectionStatusGroup.setLayout(connectionStatusLayout)
return connectionStatusGroup
def closeEvent(self, event):
messageBox = QMessageBox()
messageBox.setText("The Turn Table is currently still running.")
messageBox.setInformativeText("Are you sure you want to exit?")
messageBox.setStandardButtons(QMessageBox.Ok | QMessageBox.Cancel)
messageBox.setDefaultButton(QMessageBox.Cancel)
response = messageBox.exec_()
if response == QMessageBox.Ok:
self.applicationClosed.emit()
event.accept()
elif response == QMessageBox.Cancel:
event.ignore()
#------------------------------------------------------------------------------
# Callback functions for handling GUI events
#------------------------------------------------------------------------------
def updatePositionLineEdits(self, newPosition):
updatePositionLineEdit(self.currentPositionLineEdit, newPosition.current)
updatePositionLineEdit(self.targetPositionLineEdit, newPosition.target)
updatePositionLineEdit(self.positionErrorLineEdit, newPosition.error)
def updateConnectionStatusLineEdits(self, shaftEncoder: bool, motorController: bool, watchdog: bool, tcpServer: bool):
updateConnectionStatusLineEdit(self.shaftEncoderConnectionStatusLineEdit, shaftEncoder)
updateConnectionStatusLineEdit(self.motorControllerConnectionStatusLineEdit, motorController)
updateConnectionStatusLineEdit(self.watchDogConnectionStatusLineEdit, watchdog)
updateConnectionStatusLineEdit(self.tcpServerConnectionStatusLineEdit, tcpServer)
def toggleControls(self):
toggleControlEnable(self.enableSteppingCheckBox)
toggleControlEnable(self.stopPushButton)
toggleControlEnable(self.goPushButton)
toggleControlEnable(self.connectButton)
toggleControlEnable(self.disconnectButton)
toggleControlEnable(self.motorVoltageSlider)
toggleControlEnable(self.motorVoltageSliderValueSpinBox)
toggleControlEnable(self.resetVoltageButton)
