mousehighlight: don't show overlay if menu is open

runelite-api/src/main/java/net/runelite/api/Client.java

@@ -253,6 +253,11 @@ public class Client
 		return client.getMenuOptionCount();
 	}
 
+	public boolean isMenuOpen()
+	{
+		return client.isMenuOpen();
+	}
+
 	public int getMapScale()
 	{
 		return client.getMapScale();

runelite-client/src/main/java/net/runelite/client/plugins/mousehighlight/MouseHighlightOverlay.java

@@ -58,6 +58,11 @@ public class MouseHighlightOverlay extends Overlay
 			return null;
 		}
 
+		if (client.isMenuOpen())
+		{
+			return null;
+		}
+
 		String[] targets = client.getMenuTargets();
 		String[] options = client.getMenuOptions();
 		int count = client.getMenuCount() - 1;