X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fgacela_widgets.scm;h=b5ddc478e2563cf940cd98e29ccc519e8b46b1e5;hb=500b68bdf16918b05f859830cc83d5a429d5b447;hp=9d6cea4976ca72d7154430a410f0260cf5c29fb7;hpb=7174f4c01e133fc25458837cea6ea09287afdec9;p=gacela.git

diff --git a/src/gacela_widgets.scm b/src/gacela_widgets.scm
index 9d6cea4..b5ddc47 100755
--- a/src/gacela_widgets.scm
+++ b/src/gacela_widgets.scm
@@ -20,30 +20,31 @@
 (define (make-timer)
   (let ((start 0) (paused 0) (state 'stopped))
     (lambda (op)
-      (cond ((eq? op 'start-timer)
-	     (set! start (SDL_GetTicks))
-	     (set! state 'running))
+      (case op
+	((start-timer)
+	 (set! start (SDL_GetTicks))
+	 (set! state 'running))
 
-	    ((eq? op 'stop-timer)
-	     (set! state 'stopped))
+	((stop-timer)
+	 (set! state 'stopped))
 
-	    ((eq? op 'get-time)
-	     (cond ((eq? state 'stopped) 0)
-		   ((eq? state 'paused) paused)
-		   (else (- (SDL_GetTicks) start))))
+	((get-time)
+	 (cond ((eq? state 'stopped) 0)
+	       ((eq? state 'paused) paused)
+	       (else (- (SDL_GetTicks) start))))
 
-	    ((eq? op 'get-state)
-	     state)
+	((get-state)
+	 state)
 
-	    ((eq? op 'pause-timer)
-	     (cond ((eq? state 'running)
-		    (set! paused (- (SDL_GetTicks) start))
-		    (set! state 'paused))))
+	((pause-timer)
+	 (cond ((eq? state 'running)
+		(set! paused (- (SDL_GetTicks) start))
+		(set! state 'paused))))
 
-	    ((eq? op 'resume-timer)
-	     (cond ((eq? state 'paused)
-		    (set! start (- (SDL_GetTicks) paused))
-		    (set! state 'running))))))))
+	((resume-timer)
+	 (cond ((eq? state 'paused)
+		(set! start (- (SDL_GetTicks) paused))
+		(set! state 'running))))))))
 
 (define (start-timer timer)
   (timer 'start-timer))