X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=examples%2F02-event-driven-programming%2F02-event-driven-programming.scm;h=a75eddfd5770e99d9f75e3592c82275a06c7b796;hb=e1e0e1c4a98a9b27391eeef40dea40a59d983710;hp=903a6a536d00857feb92c97c5af32b3a22f8e32a;hpb=475d22be2375535402165d3373fae03a028886f2;p=gacela.git

diff --git a/examples/02-event-driven-programming/02-event-driven-programming.scm b/examples/02-event-driven-programming/02-event-driven-programming.scm
index 903a6a5..a75eddf 100644
--- a/examples/02-event-driven-programming/02-event-driven-programming.scm
+++ b/examples/02-event-driven-programming/02-event-driven-programming.scm
@@ -19,4 +19,16 @@
 
 (use-modules (gacela))
 
-(run-scene (import-bitmap "x.bmp"))
+(define counter-quit #f)
+(let ((n 0))
+  (set! counter-quit
+    (lambda ()
+      (set! n (+ n 1))
+      (format #t "Quit clicked ~a times !!~%" n)
+      (if (> n 2)
+	  (stop-game)))))
+
+(display-scene
+ (window ((resolution '(640 480))
+	  (when-quit counter-quit))
+   (image "x.bmp")))