Add ParamQuantity::smoothEnabled.

include/app/Knob.hpp

@@ -17,7 +17,7 @@ struct Knob : ParamWidget {
 	bool horizontal = false;
 	/** Enables per-sample value smoothing while dragging. */
 	bool smooth = true;
-	/** DEPRECATED. Use `ParamQuantity::snapEnabled`. */
+	/** Enables value snapping to the nearest integer. */
 	bool snap = false;
 	/** Multiplier for mouse movement to adjust knob value */
 	float speed = 1.f;

include/engine/ParamQuantity.hpp

@@ -58,6 +58,8 @@ struct ParamQuantity : Quantity {
 	Unbounded (infinite) parameters are not randomizable, regardless of this setting.
 	*/
 	bool randomizeEnabled = true;
+	/** Enables per-sample Engine parameter smoothing when setSmoothValue() is called. */
+	bool smoothEnabled = false;
 	/** Rounds values to the nearest integer. */
 	bool snapEnabled = false;
 

src/app/Knob.cpp

@@ -40,6 +40,8 @@ void Knob::initParamQuantity() {
 	if (pq) {
 		if (snap)
 			pq->snapEnabled = true;
+		if (smooth)
+			pq->smoothEnabled = true;
 	}
 }
 
@@ -133,7 +135,7 @@ void Knob::onDragMove(const DragMoveEvent& e) {
 
 	engine::ParamQuantity* pq = getParamQuantity();
 	if (pq) {
-		float value = smooth ? pq->getSmoothValue() : pq->getValue();
+		float value = pq->getSmoothValue();
 
 		// Ratio between parameter value scale / (angle range / 2*pi)
 		float rangeRatio;
@@ -206,10 +208,7 @@ void Knob::onDragMove(const DragMoveEvent& e) {
 		}
 
 		// Set value
-		if (smooth)
-			pq->setSmoothValue(value);
-		else
-			pq->setValue(value);
+		pq->setSmoothValue(value);
 	}
 
 	ParamWidget::onDragMove(e);
@@ -230,7 +229,7 @@ void Knob::onHoverScroll(const HoverScrollEvent& e) {
 	if (settings::knobScroll) {
 		engine::ParamQuantity* pq = getParamQuantity();
 		if (pq) {
-			float value = smooth ? pq->getSmoothValue() : pq->getValue();
+			float value = pq->getSmoothValue();
 
 			float rangeRatio;
 			if (pq->isBounded()) {
@@ -254,10 +253,7 @@ void Knob::onHoverScroll(const HoverScrollEvent& e) {
 			}
 
 			value += delta;
-			if (smooth)
-				pq->setSmoothValue(value);
-			else
-				pq->setValue(value);
+			pq->setSmoothValue(value);
 
 			e.consume(this);
 		}

src/app/Switch.cpp

@@ -14,6 +14,7 @@ void Switch::initParamQuantity() {
 	engine::ParamQuantity* pq = getParamQuantity();
 	if (pq) {
 		pq->snapEnabled = true;
+		pq->smoothEnabled = false;
 		if (momentary) {
 			pq->resetEnabled = false;
 			pq->randomizeEnabled = false;

src/engine/ParamQuantity.cpp

@@ -22,13 +22,19 @@ void ParamQuantity::setSmoothValue(float value) {
 	value = math::clampSafe(value, getMinValue(), getMaxValue());
 	if (snapEnabled)
 		value = std::round(value);
-	APP->engine->setParamSmoothValue(module, paramId, value);
+	if (smoothEnabled)
+		APP->engine->setParamSmoothValue(module, paramId, value);
+	else
+		APP->engine->setParamValue(module, paramId, value);
 }
 
 float ParamQuantity::getSmoothValue() {
 	if (!module)
 		return 0.f;
-	return APP->engine->getParamSmoothValue(module, paramId);
+	if (smoothEnabled)
+		return APP->engine->getParamSmoothValue(module, paramId);
+	else
+		return APP->engine->getParamValue(module, paramId);
 }
 
 void ParamQuantity::setSmoothScaledValue(float scaledValue) {