void add_line(WINDOW *window, int y, int x, line_t *line, int max_cols, int colors) {
void add_line(WINDOW *window, int y, int x, line_t *line, int max_cols, int colors) {
// print a reverse color block
if(colors) {
wattron(window, COLOR_PAIR(CP_BLACK));
// print a reverse color block
if(colors) {
wattron(window, COLOR_PAIR(CP_BLACK));