Пример #1
0
int
main (int argc, char *argv[])
{
	ClutterActor *stage;

  	g_type_init ();
	g_thread_init (NULL);
	if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
	  return 1;
	clutter_threads_init ();
	GMainLoop *loop;
	loop = g_main_loop_new (NULL, FALSE);

	stage = clutter_stage_new ();
	clutter_stage_set_title (CLUTTER_STAGE (stage), "message test");
	clutter_actor_set_size (stage, 400, 600);
	clutter_actor_show_all (stage);
#if 1
	ClutterActor *message;
	GnomeAppStore *store;

	store = gnome_app_store_get_default ();
	gnome_app_store_set_lock_function (store, clutter_threads_enter);
	gnome_app_store_set_unlock_function (store, clutter_threads_leave);

	message = CLUTTER_ACTOR (gnome_app_message_new ());
	clutter_container_add (CLUTTER_CONTAINER (stage), message, NULL);
#else
	ClutterActor *page, *actor;
	ClutterScript *script;
	GError *error;

	script = clutter_script_new ();
	error = NULL;
	clutter_script_load_from_file (script, "/home/dliang/gnome-app-store/ui/message-info-page.json", &error);
//	clutter_script_load_from_file (script, "/home/dliang/gnome-app-store/ui/test.json", &error);
	if (error)
		printf ("error in load %s\n", error->message);
        clutter_script_get_objects (script, "message-info-page", &page, "sender_label", &actor, NULL);
	ClutterLayoutManager *layout;
	layout = clutter_box_get_layout_manager (page);
	gint col, row;
	clutter_layout_manager_child_get (layout, page, actor, "column", &col, "row", &row, NULL);
	printf ("col %d %d\n", col, row);
	clutter_layout_manager_child_set (layout, page, actor, "column", 2, "row", 1, NULL);
	clutter_container_add (CLUTTER_CONTAINER (stage), page, NULL);
#endif
	g_main_loop_run (loop);
  	g_main_loop_unref (loop);

	return EXIT_SUCCESS;
}
Пример #2
0
G_MODULE_EXPORT int
test_texture_material_main (int argc, char *argv[])
{
  ClutterActor *stage, *box;
  ClutterLayoutManager *manager;
  int i;

  g_thread_init (NULL);
  clutter_threads_init ();
  clutter_init (&argc, &argv);

  stage = clutter_stage_new ();
  clutter_stage_set_title (CLUTTER_STAGE (stage), "Texture Material");
  g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);

  manager = clutter_flow_layout_new (CLUTTER_FLOW_HORIZONTAL);
  box = clutter_box_new (manager);
  clutter_actor_add_constraint (box, clutter_bind_constraint_new (stage, CLUTTER_BIND_WIDTH, -25.0));
  clutter_actor_add_constraint (box, clutter_bind_constraint_new (stage, CLUTTER_BIND_HEIGHT, -25.0));
  clutter_actor_set_position (box, 25.0, 25.0);
  clutter_container_add_actor (CLUTTER_CONTAINER (stage), box);

  for (i = 0; i < 48; i++)
    {
      ClutterActor *texture = clutter_texture_new ();

      clutter_texture_set_load_data_async (CLUTTER_TEXTURE (texture), TRUE);
      clutter_texture_set_keep_aspect_ratio (CLUTTER_TEXTURE (texture), TRUE);
      clutter_texture_set_from_file (CLUTTER_TEXTURE (texture),
                                     TESTS_DATADIR "/redhand.png",
                                     NULL);
      clutter_actor_set_width (texture, 96);

      clutter_container_add_actor (CLUTTER_CONTAINER (box), texture);
    }

  clutter_actor_show (stage);

  clutter_main ();

  return EXIT_SUCCESS;
}
Пример #3
0
// starts the thread
void Worker::operator()()
{
    StageManager::ptr manager;

    g_thread_init(NULL);
    clutter_threads_init();

    int argc = 0;
    char **argv = NULL;

    if (clutter_init(&argc, &argv) != CLUTTER_INIT_SUCCESS)
    {
        std::cerr << __FUNCTION__ << "(): Error calling clutter_init()\n";
        return;
    }
    clutter_threads_enter();

    manager->initStage();

    clutter_main();

    clutter_threads_leave();
    return; // done with this thread
}
Пример #4
0
int main(int argc, char *argv[])
{
    ClutterActor *stage;
    WebKitWebView *web_view;
    
    ClutterConstraint *width_binding;
    ClutterConstraint *height_binding;
    ClutterConstraint *web_view_height_binding;
    
    gfloat stageWidth, stageHeight;
    ClutterActorBox stageAllocation;
    
    ClutterLayoutManager  *mainLayout;
    ClutterActor          *mainLayoutContainer;
    ClutterLayoutManager  *toolbarLayout;
    ClutterActor          *toolbarContainer;
    ClutterLayoutManager  *toolbarBinLayout;
    ClutterActor          *toolbarBinContainer;
    ClutterActor          *toolbarBgr;
    ClutterActor          *statusBar;
    ClutterActor *backFwdBtns;
    ClutterActor *backBtn;
    ClutterActor *fwdBtn;
    ClutterActor *uriGroup;
    ClutterActor *uriBgr;
    ClutterActor *uriText;
    ClutterActor *spacer;
    
    GError *error = NULL;
    
    ClutterColor whiteColor = { 255, 255, 255, 255 };
    ClutterColor blackColor = { 0, 0, 0, 255 };
    ClutterColor grayColor =  { 200, 200, 200, 255 };
    ClutterColor transparentColor = { 0, 0, 0, 0 };
    
    gchar *toolbarBgrPath = clutter_launcher_file_path("toolbar_bgr.png");
    gchar *backBtnPath = clutter_launcher_file_path("back_btn.png");
    gchar *fwdBtnPath = clutter_launcher_file_path("fwd_btn.png");
    
    g_thread_init(NULL);
    clutter_threads_init();
    
    clutter_init(&argc, &argv);
    
    stage = clutter_stage_get_default();
    clutter_actor_set_size(stage, 1024, 768);
    clutter_stage_set_color(CLUTTER_STAGE(stage), &stage_color);
    g_signal_connect (stage, "destroy", G_CALLBACK(clutter_main_quit), NULL);
    
    /* make the stage resizable */
    clutter_stage_set_user_resizable(CLUTTER_STAGE(stage), TRUE);
    
    clutter_actor_show(stage);
    
    mainLayout = clutter_box_layout_new();
    clutter_box_layout_set_vertical(CLUTTER_BOX_LAYOUT(mainLayout), TRUE);
    
    
    clutter_actor_get_allocation_box(stage, &stageAllocation);
    stageWidth = stageAllocation.x2 - stageAllocation.x1;
    stageHeight = stageAllocation.y2 - stageAllocation.y1;
    
    web_view = WEBKIT_WEB_VIEW(webkit_web_view_new((guint)stageWidth, (guint)stageHeight - (toolbarHeight + statusBarHeight)));
    g_object_set(web_view, "reactive", TRUE, NULL);
    
    mainLayoutContainer = clutter_box_new(mainLayout);
    clutter_actor_set_size(mainLayoutContainer, stageWidth, stageHeight);
    
    width_binding = clutter_bind_constraint_new(stage, CLUTTER_BIND_WIDTH, 0);
    height_binding = clutter_bind_constraint_new(stage, CLUTTER_BIND_HEIGHT, 0);
/*    web_view_height_binding = clutter_bind_constraint_new(stage, CLUTTER_BIND_HEIGHT, -(toolbarHeight + statusBarHeight));
  */  
    clutter_actor_add_constraint(mainLayoutContainer, width_binding);
    clutter_actor_add_constraint(mainLayoutContainer, height_binding);
/*    clutter_actor_add_constraint(CLUTTER_ACTOR(web_view), web_view_height_binding);
  */  
    toolbarBinLayout = clutter_bin_layout_new(CLUTTER_BIN_ALIGNMENT_FILL, CLUTTER_BIN_ALIGNMENT_CENTER);
    toolbarBinContainer = clutter_box_new(toolbarBinLayout);
    
    toolbarBgr = clutter_texture_new_from_file(toolbarBgrPath, &error);
    if (toolbarBgr == NULL) {
      fprintf(stderr, "Can't load file: %s. Aborting...\n", toolbarBgrPath);
      exit(1);
    }
    clutter_actor_set_height(toolbarBgr, toolbarHeight);
    clutter_texture_set_repeat(CLUTTER_TEXTURE(toolbarBgr), TRUE, FALSE);
    clutter_box_pack(CLUTTER_BOX(toolbarBinContainer), toolbarBgr, NULL, NULL);
    
    toolbarLayout = clutter_box_layout_new();
    clutter_box_layout_set_vertical(CLUTTER_BOX_LAYOUT(toolbarLayout), FALSE);
    clutter_box_layout_set_spacing(CLUTTER_BOX_LAYOUT(toolbarLayout), 16);
    toolbarContainer = clutter_box_new(toolbarLayout);
    
    spacer = clutter_rectangle_new_with_color(&transparentColor);
    clutter_actor_set_size(spacer, 1, 1);
    clutter_box_pack(CLUTTER_BOX(toolbarContainer), spacer, NULL, NULL);
    
    backFwdBtns = clutter_group_new();
    
    backBtn = clutter_texture_new_from_file(backBtnPath, &error);
    if (backBtn == NULL) {
      fprintf(stderr, "Can't load file: %s. Aborting...\n", backBtnPath);
      exit(1);
    }
    clutter_actor_set_reactive(backBtn, TRUE);
    /* connect the release event */
    g_signal_connect (backBtn,
                      "button-release-event",
                      G_CALLBACK (on_back_release_cb),
                      web_view);
    
    fwdBtn = clutter_texture_new_from_file(fwdBtnPath, &error);
    if (fwdBtn == NULL) {
      fprintf(stderr, "Can't load file: %s. Aborting...\n", fwdBtnPath);
      exit(1);
    }
    clutter_actor_set_reactive(fwdBtn, TRUE);
    /* connect the release event */
    g_signal_connect (fwdBtn,
                      "button-release-event",
                      G_CALLBACK (on_fwd_release_cb),
                      web_view);
    
    clutter_actor_set_position(fwdBtn, 
                               clutter_actor_get_width(backBtn), 0);
    clutter_container_add(CLUTTER_CONTAINER(backFwdBtns), backBtn, fwdBtn, NULL);
    clutter_box_pack(CLUTTER_BOX(toolbarContainer), backFwdBtns, NULL, NULL);
    
    uriGroup = clutter_group_new();
    
    uriBgr = clutter_rectangle_new_with_color(&whiteColor);
    clutter_rectangle_set_border_color(CLUTTER_RECTANGLE(uriBgr), &blackColor);
    clutter_rectangle_set_border_width(CLUTTER_RECTANGLE(uriBgr), 1);
    clutter_actor_set_size(uriBgr, 400, 25);
    
    uriText = clutter_text_new_full("Helvetica 11px", "http://www.google.com", &blackColor);
    clutter_text_set_editable(CLUTTER_TEXT(uriText), TRUE);
    clutter_text_set_single_line_mode(CLUTTER_TEXT(uriText), TRUE);
    clutter_actor_set_position(uriText, 5, 7);
    clutter_actor_set_size(uriText, 390, 17);
    clutter_actor_set_reactive(uriText, TRUE);
    g_signal_connect(uriText, "activate", G_CALLBACK(on_uri_activate_cb), web_view);
    
    clutter_container_add(CLUTTER_CONTAINER(uriGroup), uriBgr, uriText, NULL);
    clutter_box_pack(CLUTTER_BOX(toolbarContainer), uriGroup, NULL, NULL);
    
    clutter_box_pack(CLUTTER_BOX(toolbarBinContainer), toolbarContainer, NULL, NULL);
    
    clutter_box_pack(CLUTTER_BOX(mainLayoutContainer), toolbarBinContainer, 
                     "y-align", CLUTTER_BOX_ALIGNMENT_START, NULL);
    clutter_box_layout_set_expand(CLUTTER_BOX_LAYOUT(mainLayout), toolbarBinContainer, TRUE);
    clutter_box_layout_set_fill(CLUTTER_BOX_LAYOUT(mainLayout), toolbarBinContainer, TRUE, FALSE);
    
    statusBar = clutter_rectangle_new_with_color(&grayColor);
    clutter_actor_set_height(statusBar, statusBarHeight);
    
    clutter_box_pack(CLUTTER_BOX(mainLayoutContainer), statusBar, 
                     "y-align", CLUTTER_BOX_ALIGNMENT_END, NULL);
    clutter_box_layout_set_expand(CLUTTER_BOX_LAYOUT(mainLayout), statusBar, TRUE);
    clutter_box_layout_set_fill(CLUTTER_BOX_LAYOUT(mainLayout), statusBar, TRUE, FALSE);
    
    clutter_box_pack_after(CLUTTER_BOX(mainLayoutContainer), CLUTTER_ACTOR(web_view), toolbarBinContainer, 
                           "y-align", CLUTTER_BOX_ALIGNMENT_START, NULL);
    clutter_box_layout_set_expand(CLUTTER_BOX_LAYOUT(mainLayout), CLUTTER_ACTOR(web_view), TRUE);
    clutter_box_layout_set_fill(CLUTTER_BOX_LAYOUT(mainLayout), CLUTTER_ACTOR(web_view), TRUE, TRUE);

    clutter_container_add(CLUTTER_CONTAINER(stage), mainLayoutContainer, NULL);
    
    g_signal_connect(web_view, "webkit-load-finished", G_CALLBACK(load_finished_cb), web_view);
    g_signal_connect(web_view, "notify::progress", G_CALLBACK (notify_progress_cb), web_view);
    /*    g_signal_connect(stage, "delete-event", G_CALLBACK(delete_cb), web_view);*/
    g_signal_connect(web_view, "notify::uri", G_CALLBACK(notify_uri_cb), uriText);
    
    gchar *uri = (gchar*) (argc > 1 ? argv[1] : "http://www.google.com/");
    gchar *fileURL = filenameToURL(uri);

    webkit_web_view_load_uri(web_view, fileURL ? fileURL : uri);
    printf("%s\n", fileURL ? fileURL : uri);
    g_free(fileURL);
        
    g_timeout_add_full(G_PRIORITY_DEFAULT, 3000, timeout_cb, web_view, 0);
    
    clutter_threads_enter ();
    clutter_main();
    clutter_threads_leave ();
    
    return EXIT_SUCCESS;
}
Пример #5
0
IO_METHOD(IoClutter, initThreads) {
    g_thread_init(NULL);
    clutter_threads_init();
    return self;
}
Пример #6
0
void
clutter_vlc_init(void)
{
  g_thread_init(NULL);
  clutter_threads_init();
}
Пример #7
0
int
main (int argc, char *argv[])
{
    GOptionContext *ctx;
    GError *error = NULL;

#ifdef ENABLE_NLS
    bindtextdomain (GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR);
    bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
    textdomain (GETTEXT_PACKAGE);
#endif

#ifdef G_THREADS_ENABLED

#if GLIB_CHECK_VERSION(2,31,0)
    /* No longer need to init threads manually anymore */
#else
    /* this must be called before gtk_init () */
    g_thread_init (NULL);
#endif

    /* FIXME: this call causes gtkpod to freeze as soon as tracks should be
       displayed */
    gdk_threads_init ();
#endif

#ifdef HAVE_CLUTTER_GTK
    gtk_clutter_init(&argc, &argv);
    clutter_threads_init();
#else
    gtk_init (&argc, &argv);
#endif

    ctx = g_option_context_new (_("- Interface with your iPod"));
    g_option_context_add_main_entries(ctx, gtkpod_get_option_entries(), NULL);

    g_option_context_add_group (ctx, gtk_get_option_group (TRUE));

#ifdef HAVE_GSTREAMER
    g_option_context_add_group (ctx, gst_init_get_option_group ());
#endif

#ifdef HAVE_BRASERO
    g_option_context_add_group (ctx, brasero_media_get_option_group ());
#endif

    g_option_context_parse (ctx, &argc, &argv, &error);
    if (error != NULL) {
        g_printerr (_("Error parsing options: %s\n"), error->message);
        g_error_free(error);
        exit(1);
    }
    g_option_context_free (ctx);

    g_set_application_name(_("gtkpod"));
    gtk_window_set_auto_startup_notification(FALSE);

    srand(time(NULL));

    gtkpod_init (argc, argv);

#ifdef G_THREADS_ENABLED
    gdk_threads_enter();
#endif
    gtk_main ();
#ifdef G_THREADS_ENABLED
    gdk_threads_leave();
#endif

    return 0;
}
Пример #8
0
int
main (int argc, char *argv[])
{
  GLenum err = 0;
#ifdef WIN32
  HGLRC clutter_gl_context = 0;
  HDC clutter_dc = 0;
#else
  Display *clutter_display = NULL;
  Window clutter_win = 0;
  GLXContext clutter_gl_context = NULL;
#endif
  GstPipeline *pipeline = NULL;
  GstBus *bus = NULL;
  GstElement *glupload = NULL;
  GstState state = 0;
  ClutterActor *stage = NULL;
  ClutterActor *clutter_texture = NULL;
  GAsyncQueue *queue_input_buf = NULL;
  GAsyncQueue *queue_output_buf = NULL;
  GstElement *fakesink = NULL;

  /* init gstreamer then clutter */

  gst_init (&argc, &argv);
  clutter_threads_init ();
  clutter_init (&argc, &argv);
  clutter_threads_enter ();
  g_print ("clutter version: %s\n", CLUTTER_VERSION_S);

  /* init glew */

  err = glewInit ();
  if (err != GLEW_OK)
    g_debug ("failed to init GLEW: %s", glewGetErrorString (err));

  /* avoid to dispatch unecesary events */

  clutter_ungrab_keyboard ();
  clutter_ungrab_pointer ();

  /* retrieve and turn off clutter opengl context */

  stage = clutter_stage_get_default ();

  /* retrieve and turn off clutter opengl context */

#ifdef WIN32
  clutter_gl_context = wglGetCurrentContext ();
  clutter_dc = wglGetCurrentDC ();
  wglMakeCurrent (0, 0);
#else
  clutter_display = clutter_x11_get_default_display ();
  clutter_win = clutter_x11_get_stage_window (CLUTTER_STAGE (stage));
  clutter_gl_context = glXGetCurrentContext ();
  glXMakeCurrent (clutter_display, None, 0);
#endif

  /* setup gstreamer pipeline */

  pipeline =
      GST_PIPELINE (gst_parse_launch
      ("videotestsrc ! video/x-raw-yuv, width=320, height=240, framerate=(fraction)30/1 ! "
          "glupload ! gleffects effect=5 ! glfiltercube ! fakesink sync=1",
          NULL));

  /* setup bus */

  bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
  gst_bus_add_signal_watch (bus);
  g_signal_connect (bus, "message::error", G_CALLBACK (end_stream_cb), NULL);
  g_signal_connect (bus, "message::warning", G_CALLBACK (end_stream_cb), NULL);
  g_signal_connect (bus, "message::eos", G_CALLBACK (end_stream_cb), NULL);
  gst_object_unref (bus);

  /* clutter_gl_context is an external OpenGL context with which gst-plugins-gl want to share textures */

  glupload = gst_bin_get_by_name (GST_BIN (pipeline), "glupload0");
  g_object_set (G_OBJECT (glupload), "external-opengl-context",
      clutter_gl_context, NULL);
  g_object_unref (glupload);

  /* NULL to PAUSED state pipeline to make sure the gst opengl context is created and
   * shared with the clutter one */

  gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PAUSED);
  state = GST_STATE_PAUSED;
  if (gst_element_get_state (GST_ELEMENT (pipeline), &state, NULL,
          GST_CLOCK_TIME_NONE) != GST_STATE_CHANGE_SUCCESS) {
    g_debug ("failed to pause pipeline\n");
    return -1;
  }

  /* turn on back clutter opengl context */

#ifdef WIN32
  wglMakeCurrent (clutter_dc, clutter_gl_context);
#else
  glXMakeCurrent (clutter_display, clutter_win, clutter_gl_context);
#endif

  /* clutter stage */

  clutter_actor_set_size (stage, 640, 480);
  clutter_actor_set_position (stage, 0, 0);
  clutter_stage_set_title (CLUTTER_STAGE (stage), "clutter and gst-plugins-gl");
  clutter_texture = setup_stage (CLUTTER_STAGE (stage));

  /* append a gst-gl texture to this queue when you do not need it no more */

  queue_input_buf = g_async_queue_new ();
  queue_output_buf = g_async_queue_new ();
  g_object_set_data (G_OBJECT (clutter_texture), "queue_input_buf",
      queue_input_buf);
  g_object_set_data (G_OBJECT (clutter_texture), "queue_output_buf",
      queue_output_buf);

  /* set a callback to retrieve the gst gl textures */

  fakesink = gst_bin_get_by_name (GST_BIN (pipeline), "fakesink0");
  g_object_set (G_OBJECT (fakesink), "signal-handoffs", TRUE, NULL);
  g_signal_connect (fakesink, "handoff", G_CALLBACK (on_gst_buffer),
      clutter_texture);
  g_object_unref (fakesink);

  /* play gst */

  gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);

  /* main loop */

  clutter_main ();

  /* before to deinitialize the gst-gl-opengl context,
   * no shared context (here the clutter one) must be current
   */
#ifdef WIN32
  wglMakeCurrent (0, 0);
#else
  glXMakeCurrent (clutter_display, None, 0);
#endif

  clutter_threads_leave ();

  /* stop and clean up the pipeline */

  gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
  g_object_unref (pipeline);

  /* make sure there is no pending gst gl buffer in the communication queues 
   * between clutter and gst-gl
   */

  while (g_async_queue_length (queue_input_buf) > 0) {
    GstBuffer *buf = g_async_queue_pop (queue_input_buf);
    gst_buffer_unref (buf);
  }

  while (g_async_queue_length (queue_output_buf) > 0) {
    GstBuffer *buf = g_async_queue_pop (queue_output_buf);
    gst_buffer_unref (buf);
  }

  return 0;
}
Пример #9
0
int
main (int argc, char *argv[])
{
  ClutterActor *stage;
  ClutterActor *rect;
  ClutterColor stage_color = { 0xcc, 0xcc, 0xcc, 0xff };
  ClutterColor rect_color = { 0xee, 0x55, 0x55, 0x99 };
  ClutterColor progress_color = { 0x55, 0xee, 0x55, 0xbb };
  ClutterBehaviour *r_behaviour, *p_behaviour;
  const ClutterKnot knots[] = {
    {  75, 150 },
    { 400, 150 }
  };

  g_thread_init (NULL);
  clutter_threads_init ();
  clutter_init (&argc, &argv);

  stage = clutter_stage_get_default ();
  clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
  clutter_actor_set_size (stage, 600, 300);
  
  count_label = clutter_label_new_with_text ("Mono 12", "Counter");
  clutter_actor_set_position (count_label, 350, 50);

  help_label = clutter_label_new_with_text ("Mono 12", "Press 's' to start");
  clutter_actor_set_position (help_label, 50, 50);

  rect = clutter_rectangle_new_with_color (&rect_color);
  clutter_actor_set_position (rect, 75, 150);
  clutter_actor_set_size (rect, 50, 50);
  clutter_actor_set_anchor_point (rect, 25, 25);

  progress_rect = clutter_rectangle_new_with_color (&progress_color);
  clutter_actor_set_position (progress_rect, 50, 225);
  clutter_actor_set_size (progress_rect, 350, 50);

  clutter_container_add (CLUTTER_CONTAINER (stage),
                         count_label, help_label,
                         rect, progress_rect,
                         NULL);

  timeline = clutter_timeline_new (150, 50);
  clutter_timeline_set_loop (timeline, TRUE);
  r_behaviour = clutter_behaviour_rotate_new (clutter_alpha_new_full (timeline,
                                                                      CLUTTER_ALPHA_RAMP_INC,
                                                                      NULL, NULL),
                                              CLUTTER_Z_AXIS,
                                              CLUTTER_ROTATE_CW,
                                              0.0, 360.0);
  clutter_behaviour_apply (r_behaviour, rect);

  p_behaviour = clutter_behaviour_path_new (clutter_alpha_new_full (timeline,
                                                                    CLUTTER_ALPHA_SINE,
                                                                    NULL, NULL),
                                            knots,
                                            G_N_ELEMENTS (knots));
  clutter_behaviour_apply (p_behaviour, rect);

  g_signal_connect (stage,
                    "button-press-event", G_CALLBACK (clutter_main_quit),
                    NULL);
  g_signal_connect (stage,
                    "key-press-event", G_CALLBACK (on_key_press_event),
                    NULL);

  clutter_actor_show (stage);

  clutter_threads_enter ();
  clutter_main ();
  clutter_threads_leave ();

  g_object_unref (p_behaviour);
  g_object_unref (r_behaviour);
  g_object_unref (timeline);

  return EXIT_SUCCESS;
}