[clutter] examples/basic: Use the event type and not a flag

[Emmanuele Bassi <ebassi src gnome org>]

commit 3649e5d8288e9ae33b4544f8be9e3cfe14f9b5a9
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sun Jul 29 13:51:23 2012 +0100

    examples/basic: Use the event type and not a flag
    
    In order to identify whether the crossing event is an enter or a leave,
    we should use the ClutterEventType enumeration, not attach a value to
    the signal handler.

 examples/basic-actor.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/examples/basic-actor.c b/examples/basic-actor.c
index 1bfb427..e74f33e 100644
--- a/examples/basic-actor.c
+++ b/examples/basic-actor.c
@@ -28,10 +28,9 @@ animate_color (ClutterActor *actor,
 
 static gboolean
 on_crossing (ClutterActor *actor,
-             ClutterEvent *event,
-             gpointer      data)
+             ClutterEvent *event)
 {
-  gboolean is_enter = GPOINTER_TO_UINT (data);
+  gboolean is_enter = clutter_event_type (event) == CLUTTER_ENTER;
   float zpos;
 
   if (is_enter)
@@ -128,10 +127,10 @@ main (int argc, char *argv[])
   clutter_actor_add_child (vase, flowers[1]);
   g_signal_connect (flowers[1], "enter-event",
                     G_CALLBACK (on_crossing),
-                    GUINT_TO_POINTER (TRUE));
+                    NULL);
   g_signal_connect (flowers[1], "leave-event",
                     G_CALLBACK (on_crossing),
-                    GUINT_TO_POINTER (FALSE));
+                    NULL);
 
   /* the third one is green */
   flowers[2] = clutter_actor_new ();