Create Action event when Knob is pressed but not moved.

src/app/Knob.cpp

@@ -58,6 +58,11 @@ void Knob::onDragEnd(const event::DragEnd &e) {
 			h->newValue = newValue;
 			APP->history->push(h);
 		}
+		else {
+			// Call Action if knob was not changed
+			event::Action eAction;
+			onAction(eAction);
+		}
 	}
 }
 

src/app/ParamWidget.cpp

@@ -147,11 +147,6 @@ void ParamWidget::onButton(const event::Button &e) {
 		if (paramQuantity) {
 			APP->scene->rack->touchedParam = this;
 		}
-
-		// Call onAction
-		event::Action eAction;
-		onAction(eAction);
-
 		e.consume(this);
 	}