GtkToolItem *ti = gtk_tool_button_new (NULL, "Open");
g_signal_connect_swapped (ti, "clicked", G_CALLBACK (psppire_window_open), de);
gtk_toolbar_insert (GTK_TOOLBAR (hb), ti, idx++);
GtkToolItem *ti = gtk_tool_button_new (NULL, "Open");
g_signal_connect_swapped (ti, "clicked", G_CALLBACK (psppire_window_open), de);
gtk_toolbar_insert (GTK_TOOLBAR (hb), ti, idx++);