Improve behavior for unbounded params

include/app/ParamQuantity.hpp

@@ -24,6 +24,8 @@ struct ParamQuantity : Quantity {
 	float getDefaultValue() override;
 	float getDisplayValue() override;
 	void setDisplayValue(float displayValue) override;
+	std::string getDisplayValueString() override;
+	void setDisplayValueString(std::string s) override;
 	int getDisplayPrecision() override;
 	std::string getLabel() override;
 	std::string getUnit() override;

src/app/ParamQuantity.cpp

@@ -101,6 +101,14 @@ int ParamQuantity::getDisplayPrecision() {
 	return (int) std::ceil(math::clamp(-log + 3.f, 0.f, 6.f));
 }
 
+std::string ParamQuantity::getDisplayValueString() {
+	return Quantity::getDisplayValueString();
+}
+
+void ParamQuantity::setDisplayValueString(std::string s) {
+	Quantity::setDisplayValueString(s);
+}
+
 std::string ParamQuantity::getLabel() {
 	if (!module)
 		return Quantity::getLabel();

src/app/ParamWidget.cpp

@@ -104,7 +104,7 @@ void ParamWidget::fromJson(json_t *rootJ) {
 void ParamWidget::onButton(const event::Button &e) {
 	// Right click to reset
 	if (e.action == GLFW_PRESS && e.button == GLFW_MOUSE_BUTTON_RIGHT && !(e.mods & WINDOW_MOD) && !(e.mods & GLFW_MOD_SHIFT)) {
-		if (paramQuantity) {
+		if (paramQuantity && paramQuantity->isBounded()) {
 			float oldValue = paramQuantity->getValue();
 			paramQuantity->reset();
 			float newValue = paramQuantity->getValue();

src/app/SVGKnob.cpp

@@ -36,11 +36,11 @@ void SVGKnob::onChange(const event::Change &e) {
 		float angle;
 		if (paramQuantity->isBounded()) {
 			angle = math::rescale(paramQuantity->getScaledValue(), 0.f, 1.f, minAngle, maxAngle);
-			angle = std::fmod(angle, 2*M_PI);
 		}
 		else {
-			angle = math::rescale(paramQuantity->getValue(), 0.f, 1.f, minAngle, maxAngle);
+			angle = math::rescale(paramQuantity->getValue(), -1.f, 1.f, minAngle, maxAngle);
 		}
+		angle = std::fmod(angle, 2*M_PI);
 		tw->identity();
 		// Rotate SVG
 		math::Vec center = sw->box.getCenter();