C++ (Cpp) st_icon_finish_update Examples

Example #1

File: st-icon.c Project: Ak-/Cinnamon

static void
st_icon_update (StIcon *icon)
{
  StIconPrivate *priv = icon->priv;
  StThemeNode *theme_node;
  StTextureCache *cache;

  if (priv->pending_texture)
    {
      clutter_actor_destroy (priv->pending_texture);
      g_object_unref (priv->pending_texture);
      priv->pending_texture = NULL;
      priv->opacity_handler_id = 0;
    }

  theme_node = st_widget_peek_theme_node (ST_WIDGET (icon));
  if (theme_node == NULL)
    return;

  cache = st_texture_cache_get_default ();
  if (priv->gicon)
    {
      priv->pending_texture = st_texture_cache_load_gicon (cache,
                                                           (priv->icon_type != ST_ICON_APPLICATION &&
                                                            priv->icon_type != ST_ICON_DOCUMENT) ?
                                                           theme_node : NULL,
                                                           priv->gicon,
                                                           priv->icon_size);
    }
 else if (priv->icon_name)
    {
      priv->pending_texture = st_texture_cache_load_icon_name (cache,
                                                               theme_node,
                                                               priv->icon_name,
                                                               priv->icon_type,
                                                               priv->icon_size);
    }

  if (priv->pending_texture)
    {
      g_object_ref_sink (priv->pending_texture);

      if (clutter_actor_get_opacity (priv->pending_texture) != 0 || priv->icon_texture == NULL)
        {
          /* This icon is ready for showing, or nothing else is already showing */
          st_icon_finish_update (icon);
        }
      else
        {
          /* Will be shown when fully loaded */
          priv->opacity_handler_id = g_signal_connect (priv->pending_texture, "notify::opacity", G_CALLBACK (opacity_changed_cb), icon);
        }
    }
  else if (priv->icon_texture)
    {
      clutter_actor_destroy (priv->icon_texture);
      priv->icon_texture = NULL;
    }
}

Example #2

File: st-icon.c Project: fanpenggogo/gnome-shel

static void
opacity_changed_cb (GObject *object,
                    GParamSpec *pspec,
                    gpointer user_data)
{
  StIcon *icon = user_data;
  StIconPrivate *priv = icon->priv;

  g_signal_handler_disconnect (priv->pending_texture, priv->opacity_handler_id);
  priv->opacity_handler_id = 0;

  st_icon_finish_update (icon);
}

Example #3

File: st-icon.c Project: meetparikh7/gnome-shell

static void
st_icon_update (StIcon *icon)
{
  StIconPrivate *priv = icon->priv;
  StThemeNode *theme_node;
  StTextureCache *cache;
  gint scale;
  ClutterActor *stage;
  StThemeContext *context;

  if (priv->pending_texture)
    {
      clutter_actor_destroy (priv->pending_texture);
      g_object_unref (priv->pending_texture);
      priv->pending_texture = NULL;
      priv->opacity_handler_id = 0;
    }

  theme_node = st_widget_peek_theme_node (ST_WIDGET (icon));
  if (theme_node == NULL)
    return;

  stage = clutter_actor_get_stage (CLUTTER_ACTOR (icon));
  context = st_theme_context_get_for_stage (CLUTTER_STAGE (stage));
  g_object_get (context, "scale-factor", &scale, NULL);

  cache = st_texture_cache_get_default ();

  if (priv->gicon != NULL)
    priv->pending_texture = st_texture_cache_load_gicon (cache,
                                                         theme_node,
                                                         priv->gicon,
                                                         priv->icon_size,
                                                         scale);

  if (priv->pending_texture == NULL && priv->fallback_gicon != NULL)
    priv->pending_texture = st_texture_cache_load_gicon (cache,
                                                         theme_node,
                                                         priv->fallback_gicon,
                                                         priv->icon_size,
                                                         scale);

  if (priv->pending_texture)
    {
      g_object_ref_sink (priv->pending_texture);

      if (clutter_actor_get_opacity (priv->pending_texture) != 0 || priv->icon_texture == NULL)
        {
          /* This icon is ready for showing, or nothing else is already showing */
          st_icon_finish_update (icon);
        }
      else
        {
          /* Will be shown when fully loaded */
          priv->opacity_handler_id = g_signal_connect_object (priv->pending_texture, "notify::opacity", G_CALLBACK (opacity_changed_cb), icon, 0);
        }
    }
  else if (priv->icon_texture)
    {
      clutter_actor_destroy (priv->icon_texture);
      priv->icon_texture = NULL;
    }
}