- popup = gtk_alignment_new (0.5, 0.5, 0, 0);
- gtk_alignment_set_padding (GTK_ALIGNMENT (popup), 12, 12, 12, 12);
- gtk_style_context_add_class (gtk_widget_get_style_context (popup), GTK_STYLE_CLASS_TOOLTIP);
+ g_object_set (contents, "margin", 12, NULL);