ctrl_panel: Indicate active parameter of control

Instead of hiding the inactive control parameter, underline and bold the
active control parameter title, e.g. "Set Current" when control method
is constant current, and "Setpoint" when it is temperature PID.

pytec/pytec/gui/view/ctrl_panel.py

@@ -7,42 +7,6 @@ from pyqtgraph.parametertree import (
 import pytec.gui.view.lockable_unit
 
 
-class MutexParameter(pTypes.ListParameter):
-    """
-    Mutually exclusive parameter where only one of its children is visible at a time, list selectable.
-
-    The ordering of the list items determines which children will be visible.
-    """
-
-    def __init__(self, **opts):
-        super().__init__(**opts)
-
-        self.sigValueChanged.connect(self.show_chosen_child)
-        self.sigValueChanged.emit(self, self.opts["value"])
-
-    def _get_param_from_value(self, value):
-        if isinstance(self.opts["limits"], dict):
-            values_list = list(self.opts["limits"].values())
-        else:
-            values_list = self.opts["limits"]
-
-        return self.children()[values_list.index(value)]
-
-    @pyqtSlot(object, object)
-    def show_chosen_child(self, value):
-        for param in self.children():
-            param.hide()
-
-        child_to_show = self._get_param_from_value(value.value())
-        child_to_show.show()
-
-        if child_to_show.opts.get("triggerOnShow", None):
-            child_to_show.sigValueChanged.emit(child_to_show, child_to_show.value())
-
-
-registerParameterType("mutex", MutexParameter)
-
-
 def set_tree_label_tips(tree):
     for item in tree.listAllItems():
         p = item.param
@@ -89,6 +53,25 @@ class CtrlPanel(QObject):
             for handle in sigActivated_handles[ch]:
                 param.child(*handle[0]).sigActivated.connect(handle[1])
 
+            def _indicate_usage(param, control_method="constant_current"):
+                for item in param.child("i_set").items:
+                    is_constant_current = control_method == "constant_current"
+                    font = item.font(0)
+                    font.setUnderline(is_constant_current)
+                    font.setBold(is_constant_current)
+                    item.setFont(0, font)
+                for item in param.child("target").items:
+                    is_temperature_pid = control_method == "temperature_pid"
+                    font = item.font(0)
+                    font.setUnderline(is_temperature_pid)
+                    font.setBold(is_temperature_pid)
+                    item.setFont(0, font)
+
+            param.child("output", "control_method").sigValueChanged.connect(
+                _indicate_usage
+            )
+            _indicate_usage(param.child("output", "control_method"))
+
     def _setValue(self, value, blockSignal=None):
         """
         Implement 'lock' mechanism for Parameter Type

pytec/pytec/gui/view/param_tree.json

@@ -29,7 +29,7 @@
             {
                "name": "control_method",
                "title": "Control Method",
-               "type": "mutex",
+               "type": "list",
                "limits": {
                   "Constant Current": "constant_current",
                   "Temperature PID": "temperature_pid"
@@ -54,7 +54,6 @@
                         -2,
                         2
                      ],
-                     "triggerOnShow": true,
                      "decimals": 6,
                      "pinSiPrefix": "m",
                      "suffix": "A",

pytec/tec_qt.py

@@ -293,6 +293,10 @@ class MainWindow(QtWidgets.QMainWindow):
                         if activater[1] == "ch":
                             activater[1] = ch
                         await self.client.set_param(*activater)
+                    else:
+                        await self.client.set_param(
+                            "pwm", ch, "i_set", inner_param.child("i_set").value()
+                        )
 
     @asyncSlot()
     async def pid_autotune_request(self, ch=0):