def initUI(self):
# Qt stuff
self.gotoLineEdit = QLineEdit('1000')
self.gotoLineEdit.setValidator(QDoubleValidator())
self.gotoButton = QPushButton('Go to')
self.kindComboBox = QComboBox()
self.metadataWidget = MetadataWidget()
#self.kindComboBox.addItems(Dataset.kinds)
self.rangeLineEdit1 = QLineEdit('1000')
self.rangeLineEdit1.setValidator(QDoubleValidator())
self.rangeLineEdit2 = QLineEdit('2000')
self.rangeLineEdit2.setValidator(QDoubleValidator())
self.stepLineEdit = QLineEdit('10')
self.stepLineEdit.setValidator(QDoubleValidator())
self.startButton = QPushButton('Start Scan')
self.abortButton = QPushButton('Abort Scan')
self.plot = AcquirePlotWidget()
# Start with everything disabled
self.disableButtons()
# GUI Layout
hbox_range = QHBoxLayout()
hbox_range.addWidget(self.rangeLineEdit1)
hbox_range.addWidget(QLabel('to'))
hbox_range.addWidget(self.rangeLineEdit2)
hbox_goto = QHBoxLayout()
hbox_goto.setContentsMargins(0, 0, 0, 0)
hbox_goto.addWidget(self.gotoLineEdit)
hbox_goto.addWidget(self.gotoButton)
vbox = QVBoxLayout()
vbox.addWidget(QLabel('Go to wavelength (nm):'))
vbox.addLayout(hbox_goto)
vbox.addWidget(QLabel('Wavelength range (nm):'))
vbox.addLayout(hbox_range)
vbox.addWidget(QLabel('Step size (nm):'))
vbox.addWidget(self.stepLineEdit)
vbox.addWidget(self.startButton)
vbox.addWidget(self.abortButton)
vbox.addStretch(1)
hbox2 = QHBoxLayout()
hbox2.addLayout(vbox)
hbox2.addWidget(self.plot)
layout = QVBoxLayout()
layout.addWidget(self.metadataWidget)
layout.addLayout(hbox2)
self.setLayout(layout)
# Connect GUI slots and signals
self.gotoButton.clicked.connect(self.onGoto)
self.gotoSignal.connect(self._acquirer.goto)
self.startButton.clicked.connect(self.onStart)
self.startScanSignal.connect(self._acquirer.scan)
self.abortButton.clicked.connect(self._acquirer.abort)
self._acquirer.initialized.connect(self.enableButtons)
self._acquirer.goto_done.connect(self.enableButtons)
self._acquirer.scan_aborted.connect(self.enableButtons)
self._acquirer.scan_finished.connect(self.enableButtons)
self._acquirer.new_data.connect(self.plot.add_data)
class AcquireWidget(QWidget):
def __init__(self, acquirer, configWidget):
super(AcquireWidget, self).__init__()
self._acquirer = acquirer
self.configWidget = configWidget
self.initUI()
def initUI(self):
# Qt stuff
self.gotoLineEdit = QLineEdit('1000')
self.gotoLineEdit.setValidator(QDoubleValidator())
self.gotoButton = QPushButton('Go to')
self.kindComboBox = QComboBox()
self.metadataWidget = MetadataWidget()
#self.kindComboBox.addItems(Dataset.kinds)
self.rangeLineEdit1 = QLineEdit('1000')
self.rangeLineEdit1.setValidator(QDoubleValidator())
self.rangeLineEdit2 = QLineEdit('2000')
self.rangeLineEdit2.setValidator(QDoubleValidator())
self.stepLineEdit = QLineEdit('10')
self.stepLineEdit.setValidator(QDoubleValidator())
self.startButton = QPushButton('Start Scan')
self.abortButton = QPushButton('Abort Scan')
self.plot = AcquirePlotWidget()
# Start with everything disabled
self.disableButtons()
# GUI Layout
hbox_range = QHBoxLayout()
hbox_range.addWidget(self.rangeLineEdit1)
hbox_range.addWidget(QLabel('to'))
hbox_range.addWidget(self.rangeLineEdit2)
hbox_goto = QHBoxLayout()
hbox_goto.setContentsMargins(0, 0, 0, 0)
hbox_goto.addWidget(self.gotoLineEdit)
hbox_goto.addWidget(self.gotoButton)
vbox = QVBoxLayout()
vbox.addWidget(QLabel('Go to wavelength (nm):'))
vbox.addLayout(hbox_goto)
vbox.addWidget(QLabel('Wavelength range (nm):'))
vbox.addLayout(hbox_range)
vbox.addWidget(QLabel('Step size (nm):'))
vbox.addWidget(self.stepLineEdit)
vbox.addWidget(self.startButton)
vbox.addWidget(self.abortButton)
vbox.addStretch(1)
hbox2 = QHBoxLayout()
hbox2.addLayout(vbox)
hbox2.addWidget(self.plot)
layout = QVBoxLayout()
layout.addWidget(self.metadataWidget)
layout.addLayout(hbox2)
self.setLayout(layout)
# Connect GUI slots and signals
self.gotoButton.clicked.connect(self.onGoto)
self.gotoSignal.connect(self._acquirer.goto)
self.startButton.clicked.connect(self.onStart)
self.startScanSignal.connect(self._acquirer.scan)
self.abortButton.clicked.connect(self._acquirer.abort)
self._acquirer.initialized.connect(self.enableButtons)
self._acquirer.goto_done.connect(self.enableButtons)
self._acquirer.scan_aborted.connect(self.enableButtons)
self._acquirer.scan_finished.connect(self.enableButtons)
self._acquirer.new_data.connect(self.plot.add_data)
# Signals
gotoSignal = Signal(float)
startScanSignal = Signal(object)
@Slot()
def enableButtons(self):
self.metadataWidget.setEnabled(True)
self.gotoLineEdit.setEnabled(True)
self.gotoButton.setEnabled(True)
self.rangeLineEdit1.setEnabled(True)
self.rangeLineEdit2.setEnabled(True)
self.stepLineEdit.setEnabled(True)
self.startButton.setEnabled(True)
self.abortButton.setEnabled(False)
def disableButtons(self):
self.metadataWidget.setEnabled(False)
self.gotoLineEdit.setEnabled(False)
self.gotoButton.setEnabled(False)
self.rangeLineEdit1.setEnabled(False)
self.rangeLineEdit2.setEnabled(False)
self.stepLineEdit.setEnabled(False)
self.startButton.setEnabled(False)
self.abortButton.setEnabled(True)
@Slot()
def onGoto(self):
nm = self.gotoLineEdit.text()
if nm:
self.gotoSignal.emit(float(nm))
self.disableButtons()
@Slot()
def onStart(self):
range1 = self.rangeLineEdit1.text()
range2 = self.rangeLineEdit2.text()
step = self.stepLineEdit.text()
if range1 and range2 and step:
req = ScanRequest(float(range1), float(range2), float(step),
self.configWidget.config(),
self.metadataWidget.metadata(),
self.metadataWidget.systemResponse())
self.startScanSignal.emit(req)
self.disableButtons()