Reset double-click state after DoubleClickEvent is fired. Fix Knob resetting.

src/app/Knob.cpp

@@ -102,6 +102,7 @@ void Knob::onDragMove(const widget::DragMoveEvent &e) {
 void Knob::reset() {
 	if (paramQuantity && paramQuantity->isBounded()) {
 		paramQuantity->reset();
+		oldValue = snapValue = paramQuantity->getValue();
 	}
 }
 
@@ -111,6 +112,7 @@ void Knob::randomize() {
 		if (snap)
 			value = std::round(value);
 		paramQuantity->setValue(value);
+		oldValue = snapValue = paramQuantity->getValue();
 	}
 }
 

src/app/ParamQuantity.cpp

@@ -29,7 +29,7 @@ void ParamQuantity::setValue(float value) {
 	if (!std::isfinite(value))
 		return;
 	// This setter clamps the value
-	getParam()->setValue(value);
+	APP->engine->setParam(module, paramId, value);
 }
 
 float ParamQuantity::getValue() {

src/widget/event.cpp

@@ -135,7 +135,7 @@ void EventState::handleButton(math::Vec pos, int button, int action, int mods) {
 		}
 
 		if (action == GLFW_PRESS) {
-			const double doubleClickDuration = 0.5;
+			const double doubleClickDuration = 0.3;
 			double clickTime = glfwGetTime();
 			if (clickedWidget
 				&& clickTime - lastClickTime <= doubleClickDuration
@@ -143,9 +143,14 @@ void EventState::handleButton(math::Vec pos, int button, int action, int mods) {
 				// DoubleClickEvent
 				DoubleClickEvent eDoubleClick;
 				clickedWidget->onDoubleClick(eDoubleClick);
+				// Reset double click
+				lastClickTime = -INFINITY;
+				lastClickedWidget = NULL;
+			}
+			else {
+				lastClickTime = clickTime;
+				lastClickedWidget = clickedWidget;
 			}
-			lastClickTime = clickTime;
-			lastClickedWidget = clickedWidget;
 		}
 	}
 }