Revert "Remove code meant for later"

This reverts commit 97faf40cf2. Fixed in 0062a05

docs/beginner/tutorial2-surface/README.md

@@ -307,7 +307,8 @@ We call this method in `run()` in the event loop for the following events.
 match event {
     // ...
 
-    } if window_id == state.window().id() => match event {
+    } if window_id == state.window().id() => if !state.input(event) {
+        match event {
             // ...
 
             WindowEvent::Resized(physical_size) => {
@@ -320,6 +321,7 @@ match event {
             // ...
         }
     }
+}
 ```
 
 ## input()