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fix(waveform): update x suffix label with x property change, do not wait for next update cycle

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wyzula_j
2025-07-01 15:01:55 +02:00
committed by Jan Wyzula
parent f25f86522f
commit d19001c94e
1 changed files with 26 additions and 0 deletions
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26
bec_widgets/widgets/plots/waveform/waveform.py
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@@ -504,6 +504,7 @@ class Waveform(PlotBase):
if value not in ["timestamp", "index", "auto"]:
self.x_axis_mode["entry"] = self.entry_validator.validate_signal(value, None)
self._switch_x_axis_item(mode=value)
self._refresh_x_label_suffix()
self.async_signal_update.emit()
self.sync_signal_update.emit()
self.plot_item.enableAutoRange(x=True)
@@ -531,6 +532,7 @@ class Waveform(PlotBase):
return
self.x_axis_mode["entry"] = self.entry_validator.validate_signal(self.x_mode, value)
self._switch_x_axis_item(mode="device")
self._refresh_x_label_suffix()
self.async_signal_update.emit()
self.sync_signal_update.emit()
self.plot_item.enableAutoRange(x=True)
@@ -1680,6 +1682,30 @@ class Waveform(PlotBase):
self.x_axis_mode["label_suffix"] = new_suffix
self.set_x_label_suffix(new_suffix)
def _refresh_x_label_suffix(self):
"""
Update the x‑axis label suffix immediately based on the current
``x_axis_mode`` dictionary, without waiting for the next data
update cycle.
"""
mode = self.x_axis_mode.get("name", "auto")
if mode == "timestamp":
suffix = " (timestamp)"
elif mode == "index":
suffix = " (index)"
elif mode == "auto":
suffix = " (auto)"
else:
x_name = mode
x_entry = self.x_axis_mode.get("entry", None)
if x_entry:
suffix = f" (custom: {x_name}-{x_entry})"
else:
suffix = f" (custom: {x_name})"
self._update_x_label_suffix(suffix)
def _switch_x_axis_item(self, mode: str):
"""
Switch the x-axis mode between timestamp, index, the best effort and custom signal.