ewl_window_transient _for EWL_WINDOW dialog EWL_WINDOW ewl_window_moda

    ewl_window_transient_for(EWL_WINDOW(dialog), EWL_WINDOW(w));
    ewl_window_modal_set(EWL_WINDOW(dialog), TRUE);
    ewl_window_dialog_set(EWL_WINDOW(dialog), 1)