Set parameter tooltip based on lv2 control comment

source/frontend/carla_widgets.py

@@ -252,6 +252,10 @@ class PluginParameter(QWidget):
         self.ui.widget.setStepLarge(pInfo['stepLarge'])
         self.ui.widget.setScalePoints(pInfo['scalePoints'], bool(pHints & PARAMETER_USES_SCALEPOINTS))
 
+        if pInfo['comment']:
+            self.ui.label.setToolTip(pInfo['comment'])
+            self.ui.widget.setToolTip(pInfo['comment'])
+
         if pType == PARAMETER_INPUT:
             if not pHints & PARAMETER_IS_ENABLED:
                 self.ui.label.setEnabled(False)

source/frontend/widgets/paramspinbox.py

@@ -441,6 +441,10 @@ class ParamSpinBox(QAbstractSpinBox):
 
         self.fBox.currentIndexChanged['QString'].connect(self.slot_comboBoxIndexChanged)
 
+    def setToolTip(self, text):
+        self.fBar.setToolTip(text)
+        QAbstractSpinBox.setToolTip(self, text)
+
     def stepBy(self, steps):
         if steps == 0 or self.fValue is None:
             return