- //mode_discrete_item->set_active(_control->list()->interpolation() == AutomationList::Discrete);
-
- am_items.push_back (RadioMenuElem (group, _("Line"), bind (
- mem_fun(*this, &AutomationTimeAxisView::set_interpolation),
- AutomationList::Linear)));
- mode_line_item = dynamic_cast<CheckMenuItem*>(&am_items.back());
- //mode_line_item->set_active(_control->list()->interpolation() == AutomationList::Linear);
+ mode_discrete_item->set_active(_control->list()->interpolation() == AutomationList::Discrete);
+
+ // For discrete types we dont allow the linear option since it makes no sense for those Controls
+ if (EventTypeMap::instance().interpolation_of(_control->parameter()) == Evoral::ControlList::Linear) {
+ am_items.push_back (RadioMenuElem (group, _("Line"), bind (
+ mem_fun(*this, &AutomationTimeAxisView::set_interpolation),
+ AutomationList::Linear)));
+ mode_line_item = dynamic_cast<CheckMenuItem*>(&am_items.back());
+ mode_line_item->set_active(_control->list()->interpolation() == AutomationList::Linear);
+ }