C++ (Cpp) on_collection_added Examples

Example #1

File: seahorse-combo-keys.c Project: atulhjp/seahorse

void
seahorse_combo_keys_attach (GtkComboBox *combo,
                            GcrCollection *collection,
                            const gchar *none_option)
{
	GtkTreeModel *model;
	GtkTreeIter iter;
	GtkCellRenderer *renderer;
	GList *l, *objects;

	g_object_set_data_full (G_OBJECT (combo), "combo-keys-closure",
	                        combo_closure_new (), combo_closure_free);

	/* Setup the None Option */
	model = gtk_combo_box_get_model (combo);
	if (!model) {
		model = GTK_TREE_MODEL (gtk_list_store_new (N_COLUMNS, G_TYPE_STRING,
		                                            G_TYPE_STRING, G_TYPE_POINTER));
		gtk_combo_box_set_model (combo, model);

		gtk_cell_layout_clear (GTK_CELL_LAYOUT (combo));
		renderer = gtk_cell_renderer_text_new ();

		gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), renderer, TRUE);
		gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo), renderer,
		                               "markup", COMBO_MARKUP);
	}

	/* Setup the object list */
	objects = gcr_collection_get_objects (collection);
	for (l = objects; l != NULL; l = g_list_next (l))
		on_collection_added (collection, l->data, combo);
	g_list_free (objects);

	g_signal_connect_after (collection, "added", G_CALLBACK (on_collection_added), combo);
	g_signal_connect_after (collection, "removed", G_CALLBACK (on_collection_removed), combo);

	if (none_option) {
		gtk_list_store_prepend (GTK_LIST_STORE (model), &iter);
		gtk_list_store_set (GTK_LIST_STORE (model), &iter,
		                    COMBO_LABEL, NULL,
		                    COMBO_MARKUP, none_option,
		                    COMBO_POINTER, NULL,
		                    -1);
	}

	gtk_tree_model_get_iter_first (model, &iter);
	gtk_combo_box_set_active_iter (combo, &iter);

	g_signal_connect_data (combo, "destroy", G_CALLBACK (on_combo_destroy),
	                       g_object_ref (collection), (GClosureNotify)g_object_unref, 0);
}

Example #2

File: gcr-union-collection.c Project: Distrotech/gcr

/**
 * gcr_union_collection_take:
 * @self: The union collection
 * @collection: The collection whose objects to add
 *
 * Add objects from this collection to the union. Do not add an additional
 * reference to the collection.
 */
void
gcr_union_collection_take (GcrUnionCollection *self,
                           GcrCollection *collection)
{
	GList *objects, *l;

	g_return_if_fail (GCR_IS_UNION_COLLECTION (self));
	g_return_if_fail (GCR_IS_COLLECTION (collection));
	g_return_if_fail (!g_hash_table_lookup (self->pv->collections, collection));

	g_object_ref (collection);

	g_hash_table_insert (self->pv->collections, collection, collection);
	connect_to_collection (self, collection);

	objects = gcr_collection_get_objects (collection);
	for (l = objects; l != NULL; l = g_list_next (l))
		on_collection_added (collection, l->data, self);
	g_list_free (objects);

	g_object_unref (collection);
}