1 files changed, 3 insertions, 1 deletions
diff --git a/pointcloud.hpp b/pointcloud.hpp
index a2dc7c3..b7df253 100644
--- a/pointcloud.hpp
+++ b/pointcloud.hpp
@@ -43,7 +43,9 @@ class PointCloud
         PointCloud(size_t num_points);
 
         // Must call this regularly
-        void handle_event(void);
+        // returns name of key pressed, or an empty string if nothing
+        // happened
+        std::string handle_event(void);
 
         // The caller must guarantee that the two vectors have the same size
         void push_samples(std::pair<std::vector<complexf>, std::vector<complexf> > &data);