g_signal_connect(error_info_bar, "response", G_CALLBACK(on_info_bar_response), NULL);
gtk_info_bar_set_message_type(GTK_INFO_BAR(error_info_bar),
GTK_MESSAGE_ERROR);
g_signal_connect(error_info_bar, "response", G_CALLBACK(on_info_bar_response), NULL);
gtk_info_bar_set_message_type(GTK_INFO_BAR(error_info_bar),
GTK_MESSAGE_ERROR);