Add live metadata updates

cpdctrl_gui/ui/main_window.py

@@ -87,6 +87,7 @@ class MainWindow(QMainWindow):
         self.w_lefttab.addTab(self.w_measurement_settings, "Measurement settings")
         # Measurement metadata
         self.w_metadata = MetadataInput(metadata_init_dict)
+        self.w_metadata.metadataChanged.connect(self._metadata_updated)
         self.w_lefttab.addTab(self.w_metadata, "Measurement metadata")
         # TODO: the call_f solution isnt pretty
         # TODO: only accept single file?
@@ -274,7 +275,7 @@ class MainWindow(QMainWindow):
         max_measurements = self.w_measurement_settings.get_value("max_measurements")
         stop_on_script_end = self.w_measurement_settings.get_value("stop_on_script_end")
         interval = self.w_measurement_settings.get_value("interval")
-        auto_add_metadata = self.w_measurement_settings.get_value("auto_add_metadata")
+        auto_add_metadata = AppConfig.MAIN_CFG.get_or("metadata_auto_add", True)
 
         metadata = self.w_metadata.get_dict()
         metadata["name"] = name
@@ -289,6 +290,7 @@ class MainWindow(QMainWindow):
         self.topbar.disable_button("meas_load")
         self.topbar.enable_button("meas_stop")
         self.w_measurement_settings.setEnabled(False)
+        if not AppConfig.MAIN_CFG.get_or("metadata_auto_update", True):
             self.w_metadata.setEnabled(False)
         self.w_plot.clear_data()
 
@@ -490,6 +492,14 @@ class MainWindow(QMainWindow):
         if self.measurement_is_running():
             self.command_queue.put(("led_script", self.led_script.copy()))
 
+    def _metadata_updated(self):
+        """
+        Send the new metadata to the measurement thread.
+        """
+        if self.measurement_is_running() and AppConfig.MAIN_CFG.get_or("metadata_update_live", True):
+            metadata = self.w_metadata.get_dict()
+            self.command_queue.put(("metadata", metadata))
+
     def app_exit(self) -> None:
         """
         Closes the application.

cpdctrl_gui/ui/widgets/metadata_input.py

@@ -1,5 +1,6 @@
 from PyQt6.QtWidgets import QWidget, QVBoxLayout, QLabel, QLineEdit, QSpacerItem, QSpinBox, QDoubleSpinBox
 from PyQt6.QtWidgets import QGridLayout, QMenu, QListWidget, QPushButton, QFormLayout, QDialog, QDialogButtonBox
+from PyQt6.QtCore import pyqtSignal
 
 """
 QWidget class that contains a variable amount of key - input pairs.
@@ -8,6 +9,7 @@ pairs. The value may be text - line edit, float - qdoublespinbox and int - qspin
 """
 
 class MetadataInput(QWidget):
+    metadataChanged = pyqtSignal()
     def __init__(self, elements: list[tuple[str, str]]|dict[str,str]=None):
         super().__init__()
         # set layout
@@ -68,6 +70,7 @@ class MetadataInput(QWidget):
         ret = dialog.exec()
         if ret == QDialog.DialogCode.Accepted:
             self.add_element(dialog.key_input.text(), dialog.value_input.text())
+            self.metadataChanged.emit()
 
     def add_element(self, key, init_val=""):
         if key in self.ws_elements:
@@ -79,6 +82,7 @@ class MetadataInput(QWidget):
         self.l_grid.addWidget(w_label, row, 0)
 
         w_input= QLineEdit(str(init_val))
+        w_input.editingFinished.connect(self.metadataChanged)
 
         self.l_grid.addWidget(w_input, row, 1)
 
@@ -98,6 +102,7 @@ class MetadataInput(QWidget):
             self.l_grid.removeWidget(w)
         del self.ws_elements[name]
         self.layout_changed()
+        self.metadataChanged.emit()
 
 
     def set_from_dict(self, d: dict[str, str]):

cpdctrl_gui/ui/widgets/settings/app_settings.py

@@ -18,11 +18,14 @@ class AppSettings(QWidget):
         w_plot_n.setMinimum(1000)
         w_plot_n.setMaximum(200000)
         w_plot_n.setSingleStep(1000)
-        self.w_form.add_form_row("plot_max_data_points", "Max datapoints in the plot", 20000, w_plot_n, "Maximum number of datapoints in the live plot.\nThis value is limited to ensure performance is not degraded in long measurements")
+        self.w_form.add_form_row("plot_max_data_points", "Max. Datapoints in the Plot", 20000, w_plot_n, "Maximum number of datapoints in the live plot.\nThis value is limited to ensure performance is not degraded in long measurements")
         w_plot_dt = QSpinBox()
         w_plot_dt.setMinimum(10)
         w_plot_dt.setMaximum(200000)
         w_plot_dt.setSingleStep(100)
-        self.w_form.add_form_row("plot_update_interval_ms", "Plot update interval (ms)", 200, w_plot_dt, "Number of milliseconds to wait before updating the live plot")
+        self.w_form.add_form_row("plot_update_interval_ms", "Plot Update Interval (ms)", 200, w_plot_dt, "Number of milliseconds to wait before updating the live plot")
         self.w_form.add_form_row("led_script_watch_file", "Watch Led Script File", False, QCheckBox(), "Watch the LED script file for changes and reload it automatically")
+        self.w_form.add_form_row("led_script_save_copy", "Copy Led Script to Cache Dir", True, QCheckBox(), "Save the final version of the led script in the cache directory")
+        self.w_form.add_form_row("metadata_auto_update", "Auto-Update Metadata", True,  QCheckBox(), "Allow metadata updates while the program is running")
+        self.w_form.add_form_row("metadata_auto_add", "Auto-Add Metadata", True,  QCheckBox(), "Automatically add measurement metadata to the data file.\nThis includes: device names, measurement mode, measurement interval, start and stop times, led script")
 

cpdctrl_gui/ui/widgets/settings/measurement_settings.py

@@ -151,8 +151,6 @@ class MeasurementSettings(QWidget):
         w_box_flush_after.setMaximum(2147483647)  # max int32
         w_box_flush_after.setSingleStep(500)
         self.w_form.add_form_row("flush_after", "Flush-Data Interval", 0, w_box_flush_after, "Number of measurements to take before writing the data to an intermediate file")
-        self.w_form.add_form_row("auto_add_metadata", "Auto-add Metadata", True,  QCheckBox(self), "Automatically add measurement metadata to the data file.\nThis includes: device names, measurement mode, measurement interval, start and stop times, led script")
-
         self.l_vbox.addStretch(1)
 
     def set_value(self, key, value):