Fix offset to cv controlled parameters; Dont show range if unmapped

Signed-off-by: falkTX <falktx@falktx.com>

source/backend/engine/CarlaEngineJack.cpp

@@ -628,7 +628,7 @@ public:
                 event.channel = kEngineEventNonMidiChannel;
 
                 event.ctrl.type  = kEngineControlEventTypeParameter;
-                event.ctrl.param = static_cast<uint16_t>(i);
+                event.ctrl.param = static_cast<uint16_t>(ecv.indexOffset);
                 event.ctrl.value = carla_fixedValue(0.0f, 1.0f, (v - min) / (max - min));
             }
 

source/backend/engine/CarlaEnginePorts.cpp

@@ -469,7 +469,7 @@ void CarlaEngineCVSourcePorts::initPortBuffers(const float* const* const buffers
                 event.channel = kEngineEventNonMidiChannel;
 
                 event.ctrl.type  = kEngineControlEventTypeParameter;
-                event.ctrl.param = static_cast<uint16_t>(i);
+                event.ctrl.param = static_cast<uint16_t>(ecv.indexOffset);
                 event.ctrl.value = carla_fixedValue(0.0f, 1.0f, (v - min) / (max - min));
             }
 

source/frontend/carla_widgets.py

@@ -426,10 +426,12 @@ class PluginParameter(QWidget):
                 action.setCheckable(True)
                 action.setChecked(True)
 
-        menu.addSection("Range")
-
-        actRangeMinimum = menu.addAction(self.tr("Set minimum... (%g)" % self.fMappedMinimum))
-        actRangeMaximum = menu.addAction(self.tr("Set maximum... (%g)" % self.fMappedMaximum))
+        if self.fMappedCtrl != CONTROL_VALUE_NONE:
+            menu.addSection("Range")
+            actRangeMinimum = menu.addAction(self.tr("Set minimum... (%g)" % self.fMappedMinimum))
+            actRangeMaximum = menu.addAction(self.tr("Set maximum... (%g)" % self.fMappedMaximum))
+        else:
+            actRangeMinimum = actRangeMaximum = None
 
         actSel = menu.exec_(QCursor.pos())