예제 #1
0
static void
background_loaded_cb (GObject      *source,
                      GAsyncResult *res,
                      gpointer      data)
{
  BackgroundData *bd = data;
  GtkWidget *child;
  GdkPixbuf *pixbuf;
  GError *error = NULL;

  pixbuf = gdk_pixbuf_new_from_stream_finish (res, &error);
  if (error)
    {
      g_warning ("Error loading '%s': %s", bd->filename, error->message);
      g_error_free (error);
      return;
    }

  child = gtk_image_new_from_pixbuf (pixbuf);
  gtk_widget_show (child);
  gtk_flow_box_insert (GTK_FLOW_BOX (bd->flowbox), child, -1);
  child = gtk_widget_get_parent (child);
  g_object_set_data_full (G_OBJECT (child), "filename", bd->filename, g_free);
  g_free (bd);
}
예제 #2
0
static void
populate_flowbox (GtkWidget *button, GtkWidget *flowbox)
{
  const gchar *location;
  GDir *dir;
  GError *error = NULL;
  const gchar *name;
  gchar *filename;
  GFile *file;
  GInputStream *stream;
  BackgroundData *bd;
  GdkPixbuf *pixbuf;
  GtkWidget *child;

  g_signal_handlers_disconnect_by_func (button, populate_flowbox, flowbox);

  pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, 110, 70);
  gdk_pixbuf_fill (pixbuf, 0xffffffff);
  child = gtk_image_new_from_pixbuf (pixbuf);
  gtk_widget_show (child);
  gtk_flow_box_insert (GTK_FLOW_BOX (flowbox), child, -1);

  location = "/usr/share/backgrounds/gnome";
  dir = g_dir_open (location, 0, &error);
  if (error)
    {
      g_warning ("%s", error->message);
      g_error_free (error);
      return;
    }

  while ((name = g_dir_read_name (dir)) != NULL)
    {
      filename = g_build_filename (location, name, NULL);
      file = g_file_new_for_path (filename);
      stream = G_INPUT_STREAM (g_file_read (file, NULL, &error));
      if (error)
        {
          g_warning ("%s", error->message);
          g_clear_error (&error);
          g_free (filename); 
        }
      else
        {
          bd = g_new (BackgroundData, 1);
          bd->flowbox = flowbox;
          bd->filename = filename;
          gdk_pixbuf_new_from_stream_at_scale_async (stream, 110, 110, TRUE, NULL, 
                                                     background_loaded_cb, bd);
        }

      g_object_unref (file);
      g_object_unref (stream);
    }

  g_dir_close (dir);
}
예제 #3
0
/**
 * gs_shell_overview_get_categories_cb:
 **/
static void
gs_shell_overview_get_categories_cb (GObject *source_object,
				     GAsyncResult *res,
				     gpointer user_data)
{
	GsShellOverview *self = GS_SHELL_OVERVIEW (user_data);
	GsShellOverviewPrivate *priv = gs_shell_overview_get_instance_private (self);
	GsPluginLoader *plugin_loader = GS_PLUGIN_LOADER (source_object);
	GList *l;
	GsCategory *cat;
	GtkWidget *tile;
	gboolean has_category = FALSE;
	g_autoptr(GError) error = NULL;
	g_autoptr(GsAppList) list = NULL;

	list = gs_plugin_loader_get_categories_finish (plugin_loader, res, &error);
	if (list == NULL) {
		if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
			g_warning ("failed to get categories: %s", error->message);
		goto out;
	}
	gs_container_remove_all (GTK_CONTAINER (priv->flowbox_categories));

	for (l = list; l; l = l->next) {
		cat = GS_CATEGORY (l->data);
		if (gs_category_get_size (cat) == 0)
			continue;
		tile = gs_category_tile_new (cat);
		g_signal_connect (tile, "clicked",
				  G_CALLBACK (category_tile_clicked), self);
		gtk_flow_box_insert (GTK_FLOW_BOX (priv->flowbox_categories), tile, -1);
		gtk_widget_set_can_focus (gtk_widget_get_parent (tile), FALSE);
		has_category = TRUE;
	}
out:
	if (has_category) {
		priv->empty = FALSE;
	}
	gtk_widget_set_visible (priv->category_heading, has_category);

	priv->loading_categories = FALSE;
	priv->refresh_count--;
	if (priv->refresh_count == 0) {
		priv->cache_valid = TRUE;
		g_signal_emit (self, signals[SIGNAL_REFRESHED], 0);
	}
}