clutter-test.c

#include <clutter/clutter.h>
#include <stdlib.h>
#include <stdio.h>

static gboolean
enter (ClutterRectangle *rect, ClutterEvent *event, gpointer data)
{
  g_object_set(G_OBJECT(rect), "scale-gravity", CLUTTER_GRAVITY_CENTER, NULL);
  g_object_set(G_OBJECT(rect), "scale-x", 1.2, "scale-y", 1.2, NULL);
  return TRUE;
}

static gboolean
leave (ClutterRectangle *rect, ClutterEvent *event, gpointer data)
{
  g_object_set(G_OBJECT(rect), "scale-x", 1.0, "scale-y", 1.0, NULL);
  return TRUE;
}

int main(int argc, char *argv[])
{
  ClutterColor stage_color = { 0x00, 0x00, 0x00, 0xff };
  ClutterColor actor_color = { 0xff, 0xff, 0xff, 0x99 };
  
  clutter_init (&argc, &argv);
  
  ClutterActor *stage = clutter_stage_get_default ();
  clutter_actor_set_size (stage, 200, 200);
  clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
  
  ClutterActor *rect = clutter_rectangle_new_with_color (&actor_color);
  clutter_actor_set_size (rect, 100, 100);
  clutter_actor_set_position (rect, 75, 75);
  clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
  clutter_actor_show (rect);
  
  clutter_actor_set_reactive (rect, TRUE);
  
  g_object_set(G_OBJECT(rect), "scale-x", 0.5, "scale-y", 0.5, NULL);
  
  g_signal_connect(rect, "enter-event", G_CALLBACK(enter), NULL);
  g_signal_connect(rect, "leave-event", G_CALLBACK(leave), NULL);
  
  clutter_actor_show (stage);
  
  clutter_main ();

  return EXIT_SUCCESS;

}