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fix(waveform): AsyncSignal are handled with the same update mechanism as async readback

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wyzula_j
2025-06-20 11:54:30 +02:00
committed by Jan Wyzula
parent 1a7052073d
commit a3ffcefe80
1 changed files with 46 additions and 9 deletions
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55
bec_widgets/widgets/plots/waveform/waveform.py
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@ -1246,6 +1246,23 @@ class Waveform(PlotBase):
self.request_dap_update.emit()
def _check_async_signal_found(self, name: str, signal: str) -> bool:
"""
Check if the async signal is found in the BEC device manager.
Args:
name(str): The name of the async signal.
signal(str): The entry of the async signal.
Returns:
bool: True if the async signal is found, False otherwise.
"""
bec_async_signals = self.client.device_manager.get_bec_signals("AsyncSignal")
for entry_name, _, entry_data in bec_async_signals:
if entry_name == name and entry_data.get("obj_name") == signal:
return True
return False
def _setup_async_curve(self, curve: Curve):
"""
Setup async curve.
@ -1254,20 +1271,40 @@ class Waveform(PlotBase):
curve(Curve): The curve to set up.
"""
name = curve.config.signal.name
self.bec_dispatcher.disconnect_slot(
self.on_async_readback, MessageEndpoints.device_async_readback(self.old_scan_id, name)
)
signal = curve.config.signal.entry
async_signal_found = self._check_async_signal_found(name, signal)
try:
curve.clear_data()
except KeyError:
logger.warning(f"Curve {name} not found in plot item.")
pass
self.bec_dispatcher.connect_slot(
self.on_async_readback,
MessageEndpoints.device_async_readback(self.scan_id, name),
from_start=True,
cb_info={"scan_id": self.scan_id},
)
# New endpoint for async signals
if async_signal_found:
self.bec_dispatcher.disconnect_slot(
self.on_async_readback,
MessageEndpoints.device_async_signal(self.old_scan_id, name, signal),
)
self.bec_dispatcher.connect_slot(
self.on_async_readback,
MessageEndpoints.device_async_signal(self.scan_id, name, signal),
from_start=True,
cb_info={"scan_id": self.scan_id},
)
# old endpoint
else:
self.bec_dispatcher.disconnect_slot(
self.on_async_readback,
MessageEndpoints.device_async_readback(self.old_scan_id, name),
)
self.bec_dispatcher.connect_slot(
self.on_async_readback,
MessageEndpoints.device_async_readback(self.scan_id, name),
from_start=True,
cb_info={"scan_id": self.scan_id},
)
logger.info(f"Setup async curve {name}")
@SafeSlot(dict, dict, verify_sender=True)