gtk_builder_connect_signals(builder, glk);
g_signal_connect(glk, "notify::program-name", G_CALLBACK(change_window_title), window);
g_signal_connect(glk, "notify::story-name", G_CALLBACK(change_window_title), window);
gtk_builder_connect_signals(builder, glk);
g_signal_connect(glk, "notify::program-name", G_CALLBACK(change_window_title), window);
g_signal_connect(glk, "notify::story-name", G_CALLBACK(change_window_title), window);