slow gtk.label drawing

[Pavol KlaÄanskà <pavol klacansky com>]

Hi, I have written simple rss reader and I tested it with 10k items in feed.

Xml and parsing takes while (in second.) but drawing takes minutes

Part taking care of drawing


 public void set_details(Feed feed, Client client) {
        title.set_markup("<b>" + feed.title + "</b>");
        icon.set_from_file(feed.icon);

        foreach (Item cur_item in feed.items) {

            if (cur_item.read == "0") {

                var item_box = new Gtk.EventBox();
                item_box.button_press_event.connect((event) => {

                    /* open in default browser */
                    AppInfo.launch_default_for_uri(cur_item.link, null);

                    /* mark item as read */
                    client.mark_item_read(cur_item.id);

                    /* destroy widget with this item */
                    item_box.destroy();

                    return true;
                });

                var item_buf = new Gtk.Label(cur_item.title);
                item_box.add(item_buf);
                text_box.pack_start(item_box, false, false);
            }
        }
    }