Add .webClosed()

stfx/ui/web-ui.h

@@ -334,7 +334,7 @@ struct WebUILibraryEffect : public LibraryEffect<Sample, WebUIHelper<EffectSTFX,
 		auto &message = queue[readIndex];
 		return message.readyToSend.test();
 	}
-
+	
 	// Poll on the main thread (and directly after any `.webReceive()`), calling `.sent()` after you've sent it, repeat until you get `nullptr`
 	WebMessage * getPendingWebMessage() {
 		auto &message = queue[readIndex];
@@ -385,6 +385,11 @@ struct WebUILibraryEffect : public LibraryEffect<Sample, WebUIHelper<EffectSTFX,
 		}
 	}
 
+	void webClosed() {
+		// stops new messages from being queued up until the reset message is sent
+		requestEntireState();
+	}
+
 	// Replace `.process()` to add meter messages if they exist
 	template<class Buffers>
 	void process(Buffers &&buffers, int blockLength) {