Custom menu for the knobs in the plugin slots

resources/ui/carla_plugin_basic_fx.ui

@@ -366,18 +366,6 @@
          <height>34</height>
         </size>
        </property>
-       <property name="contextMenuPolicy">
-        <enum>Qt::CustomContextMenu</enum>
-       </property>
-       <property name="statusTip">
-        <string>Output dry/wet (100%)</string>
-       </property>
-       <property name="maximum">
-        <number>1000</number>
-       </property>
-       <property name="value">
-        <number>1000</number>
-       </property>
       </widget>
      </item>
      <item>
@@ -394,18 +382,6 @@
          <height>34</height>
         </size>
        </property>
-       <property name="contextMenuPolicy">
-        <enum>Qt::CustomContextMenu</enum>
-       </property>
-       <property name="statusTip">
-        <string>Output volume (100%)</string>
-       </property>
-       <property name="maximum">
-        <number>1270</number>
-       </property>
-       <property name="value">
-        <number>1000</number>
-       </property>
       </widget>
      </item>
      <item>

source/carla_skin.py

@@ -171,8 +171,10 @@ class AbstractPluginSlot(QFrame):
             return
 
         for paramIndex, paramWidget in self.fParameterList:
-            paramWidget.setValue(gCarla.host.get_internal_parameter_value(self.fPluginId, paramIndex))
+            paramWidget.setContextMenuPolicy(Qt.CustomContextMenu)
+            paramWidget.customContextMenuRequested.connect(self.slot_knobCustomMenu)
             paramWidget.realValueChanged.connect(self.slot_parameterValueChanged)
+            paramWidget.setValue(gCarla.host.get_internal_parameter_value(self.fPluginId, paramIndex))
 
     #------------------------------------------------------------------
 
@@ -550,6 +552,48 @@ class AbstractPluginSlot(QFrame):
     def slot_showDefaultCustomMenu(self):
         self.showDefaultCustomMenu(self.fIsActive, self.b_edit, self.b_gui)
 
+    @pyqtSlot()
+    def slot_knobCustomMenu(self):
+        sender  = self.sender()
+        index   = sender.fIndex
+        minimum = sender.fMinimum
+        maximum = sender.fMaximum
+        current = sender.fRealValue
+        label   = sender.fLabel
+
+        if index in (PARAMETER_DRYWET, PARAMETER_VOLUME):
+            default = 1.0
+        else:
+            default = gCarla.host.get_default_parameter_value(self.fPluginId, index)
+
+        menu = QMenu(self)
+        actReset = menu.addAction(self.tr("Reset (%f)" % (default)))
+        menu.addSeparator()
+        actMinimum = menu.addAction(self.tr("Set to Minimum (%f)" % (minimum)))
+        actMaximum = menu.addAction(self.tr("Set to Maximum (%f)" % (maximum)))
+        menu.addSeparator()
+        actSet = menu.addAction(self.tr("Set value..."))
+
+        actSelected = menu.exec_(QCursor.pos())
+
+        if actSelected == actSet:
+            valueTry = QInputDialog.getDouble(self, self.tr("Set value"), label, current, minimum, maximum, 3) # FIXME - 3 decimals
+            if valueTry[1]:
+                value = valueTry[0] * 10
+            else:
+                return
+
+        elif actSelected == actMinimum:
+            value = minimum
+        elif actSelected == actMaximum:
+            value = maximum
+        elif actSelected == actReset:
+            value = default
+        else:
+            return
+
+        self.sender().setValue(value)
+
     #------------------------------------------------------------------
 
     @pyqtSlot(bool)

source/carla_widgets.py

@@ -1322,16 +1322,7 @@ class PluginEdit(QDialog):
         else:
             return
 
-        if label == "Dry/Wet":
-            self.ui.dial_drywet.setValue(value)
-        elif label == "Volume":
-            self.ui.dial_vol.setValue(value)
-        elif label == "Balance-Left":
-            self.ui.dial_b_left.setValue(value)
-        elif label == "Balance-Right":
-            self.ui.dial_b_right.setValue(value)
-        elif label == "Panning":
-            self.ui.dial_pan.setValue(value)
+        self.sender().setValue(value)
 
     #------------------------------------------------------------------