+ button = gtk_label_new ("Custom tooltip I");
+ label = gtk_label_new ("See, custom");
+ g_object_ref_sink (label);
+ g_object_set (button, "has-tooltip", TRUE, NULL);
+ g_signal_connect (button, "query-tooltip",
+ G_CALLBACK (query_tooltip_label_cb), label);
+ gtk_box_pack_start (GTK_BOX (box), button, FALSE, FALSE, 2);
+
+ button = gtk_label_new ("Custom tooltip II");
+ label = gtk_label_new ("See, custom, too");
+ g_object_ref_sink (label);
+ g_object_set (button, "has-tooltip", TRUE, NULL);
+ gtk_box_pack_start (GTK_BOX (box), button, FALSE, FALSE, 2);
+ g_signal_connect (button, "query-tooltip",
+ G_CALLBACK (query_tooltip_label_cb), label);
+