def build_context_menu(self, builder):
if self.model.context.is_online_master():
# If no new data points are coming in, setting the history size wouldn't do
# anything.
# TODO: is_online_master() should really be something like
# SinglePointModel.ever_updates().
num_history_box = QtWidgets.QSpinBox()
num_history_box.setMinimum(1)
num_history_box.setMaximum(2**16)
num_history_box.setValue(self._history_length)
num_history_box.valueChanged.connect(self.set_history_length)
container = QtWidgets.QWidget()
layout = QtWidgets.QHBoxLayout()
container.setLayout(layout)
label = QtWidgets.QLabel("N: ")
layout.addWidget(label)
layout.addWidget(num_history_box)
action = builder.append_widget_action()
action.setDefaultWidget(container)
builder.ensure_separator()
super().build_context_menu(builder)
def __init__(self, root: Root, context: Context):
super().__init__()
self.root = root
self.root.model_changed.connect(self._update_plot)
self.context = context
self.context.title_changed.connect(self._set_window_title)
self.layout = QtWidgets.QVBoxLayout()
self.layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(self.layout)
# TODO: Use context info/… to identify plot to user in message.
self.message_label = QtWidgets.QLabel("No data.")
self.widget_stack = QtWidgets.QStackedWidget()
self.widget_stack.addWidget(self.message_label)
self.layout.addWidget(self.widget_stack)
self.plot_container = None
def __init__(self, model: Model):
super().__init__()
self._alternate_plots = OrderedDict()
self.model = model
self.layout = QtWidgets.QVBoxLayout()
self.layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(self.layout)
self.widget_stack = QtWidgets.QStackedWidget()
self.message_label = QtWidgets.QLabel(
"Waiting for channel metadata for scan…")
self.widget_stack.addWidget(self.message_label)
self.layout.addWidget(self.widget_stack)
if isinstance(self.model, SinglePointModel):
self.plot = Rolling1DPlotWidget(self.model,
self._get_alternate_names)
self.model.channel_schemata_changed.connect(
self._create_subscan_roots)
else:
try:
self.plot = _make_dimensional_plot(self.model,
self._get_alternate_names)
except NotImplementedError as err:
self._show_error(str(err))
return
self.widget_stack.addWidget(self.plot)
self._alternate_plots["main plot"] = self.plot
self.plot.error.connect(self._show_error)
self.plot.ready.connect(lambda: self._show(self.plot))
self.plot.alternate_plot_requested.connect(self._show_alternate_plot)
# All subscan roots, to keep the objects alive.
self._subscan_roots = None