def init_signal(self):
"""allow clean shutdown on sigint"""
signal.signal(signal.SIGINT, lambda sig, frame: self.exit(-2))
# need a timer, so that QApplication doesn't block until a real
# Qt event fires (can require mouse movement)
# timer trick from http://stackoverflow.com/q/4938723/938949
timer = QtCore.QTimer()
# Let the interpreter run each 200 ms:
timer.timeout.connect(lambda: None)
timer.start(200)
# hold onto ref, so the timer doesn't get cleaned up
self._sigint_timer = timer
def __init__(self, options, parent=None):
QtGui.QMainWindow.__init__(self, parent)
self.options = options
self.port = None
self.default_rate = 100
self._buffer = ''
self._serial_timer = QtCore.QTimer()
self._serial_timer.timeout.connect(self._poll_serial)
self._serial_timer.start(10)
self._serial_state = self.STATE_LINE
self._telemetry_records = {}
self._schema_name = None
self._config_tree_items = {}
self._last_draw_time = 0.0
self.ui = ui_tview_main_window.Ui_TviewMainWindow()
self.ui.setupUi(self)
self.ui.configTreeWidget = SizedTreeWidget()
self.ui.configDock.setWidget(self.ui.configTreeWidget)
self.ui.telemetryTreeWidget = SizedTreeWidget()
self.ui.telemetryDock.setWidget(self.ui.telemetryTreeWidget)
self.ui.telemetryTreeWidget.itemExpanded.connect(
self._handle_tree_expanded)
self.ui.telemetryTreeWidget.itemCollapsed.connect(
self._handle_tree_collapsed)
self.ui.telemetryTreeWidget.setContextMenuPolicy(
QtCore.Qt.CustomContextMenu)
self.ui.telemetryTreeWidget.customContextMenuRequested.connect(
self._handle_telemetry_context_menu)
self.ui.configTreeWidget.setItemDelegateForColumn(
0, NoEditDelegate(self))
self.ui.configTreeWidget.itemExpanded.connect(
self._handle_config_expanded)
self.ui.configTreeWidget.itemChanged.connect(
self._handle_config_item_changed)
self.ui.plotItemRemoveButton.clicked.connect(
self._handle_plot_item_remove)
self.console = TviewConsoleWidget()
self.console.ansi_codes = False
self.console.line_input.connect(self._handle_user_input)
self.ui.consoleDock.setWidget(self.console)
self.tabifyDockWidget(self.ui.configDock, self.ui.telemetryDock)
layout = QtGui.QVBoxLayout(self.ui.plotHolderWidget)
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
self.ui.plotHolderWidget.setLayout(layout)
self.ui.plotWidget = PlotWidget(self.ui.plotHolderWidget)
layout.addWidget(self.ui.plotWidget)
def update_plotwidget(value):
self.ui.plotWidget.history_s = value
self.ui.historySpin.valueChanged.connect(update_plotwidget)
self._config_callback = None
QtCore.QTimer.singleShot(0, self._handle_startup)
def start(self):
if self._timer is None:
self._timer = QtCore.QTimer()
self._timer.timeout.connect(self.poll)
self._timer.start(self.time_to_dead * 1000)