Properly disable UI parameters when needed

source/carla_shared.py

@@ -933,6 +933,8 @@ class PluginParameter(QWidget):
             self.ui.widget.setScalePoints(pInfo['scalePoints'], bool(pHints & PARAMETER_USES_SCALEPOINTS))
 
             if not pHints & PARAMETER_IS_ENABLED:
+                self.ui.label.setEnabled(False)
+                self.ui.widget.setEnabled(False)
                 self.ui.widget.setReadOnly(True)
                 self.ui.sb_control.setEnabled(False)
                 self.ui.sb_channel.setEnabled(False)

source/widgets/paramspinbox.py

@@ -268,6 +268,10 @@ class ParamSpinBox(QAbstractSpinBox):
         self.fReadOnly = yesNo
         QAbstractSpinBox.setReadOnly(self, yesNo)
 
+    def setEnabled(self, yesNo):
+        self.fBar.setEnabled(yesNo)
+        QAbstractSpinBox.setEnabled(self, yesNo)
+
     def setScalePoints(self, scalePoints, useScalePoints):
         if len(scalePoints) == 0:
             self.fScalePoints     = None